Deloitte NLA Previous Year Coding Questions

Deloitte NLA (National Level Assessment) is an online, fully proctored screening test used by Deloitte for off-campus and campus hiring of fresh graduates. The assessment evaluates language ability, reasoning, quantitative skills, data interpretation, and coding aptitude. The test is timed and designed to screen candidates for entry level roles across Deloitte's businesses.

Eligibility

  • Primarily for the graduating batch of 2026.
  • Open to freshers applying through global off-campus hiring channels and university campus drives.
  • Typical requirements: degree in relevant stream, no or limited prior full-time experience depending on the role and drive rules. Always check the specific Deloitte job posting for exact eligibility criteria.

Hiring Process (high level)

  1. Application submission via Deloitte careers portal or campus/off-campus partner platform.
  2. Deloitte NLA online assessment (screening).
  3. Technical interviews and/or coding interviews for shortlisted candidates.
  4. HR / behavioral interview and offer stage.

Note: Some hiring drives may include an online coding round (platform-dependent), or a technical take-home task in addition to interviews.

Exam Pattern (summary)

  • Mode: Online, fully proctored. Camera and microphone must be ON. Tab switching and external help are disallowed. AI tools are banned during the test.
  • Total duration: 90 minutes.
  • Total questions: 65 MCQs + 2 coding questions (format may vary by year).
  • Common sections and counts (subject to official variation):
  • English Language Skills: approx 10 questions
  • Logical Reasoning: 10-15 questions
  • Quantitative Ability: 15-20 questions
  • Data Interpretation: 10-12 questions
  • Computer Science / Professional Knowledge: 8-12 questions
  • Coding: 2 problems (online IDE)

Quick Tips for Deloitte NLA Coding Round:

  • Languages allowed: C, C++, Java, Python, C#
  • Platform: HirePro (focus on clean input/output handling)
  • Most repeated topics: Arrays (move zeros, sort 0-1-2), Bit manipulation (toggle, set bits), Strings (LCS, alternation), Math/logic (sum of primes, perfect numbers), Basic DSA (inversions, subarray sums)
  • Time yourself: Solve 2 questions in 30–40 mins
  • Practice similar problems on LeetCode (Easy-Medium) + PrepInsta Deloitte section

Deloitte NLA Previous Year Coding Questions

Question 1: Move Zeros to the End (Chocolate Factory)

A chocolate factory packs chocolates into packets represented by an array of N integers. Find all empty packets (0) and push them to the end of the array while maintaining the relative order of non-zero elements.

Input Format

  • First line: integer N (array size)
  • Next N lines: array elements

Output Format

  • Single line with N space-separated integers (non-zeros first, then zeros)

Constraints

  • 1 ≤ N ≤ 10⁵

Example

Input:
8
4
5
0
1
9
0
5
0

Output:
4 5 1 9 5 0 0 0

Question 2: Toggle Bits After the Most Significant Bit

Given a positive integer N, convert it to binary, toggle all bits starting from the most significant bit (including it), and return the resulting integer.

Input Format

  • Single integer N

Output Format

  • Single integer (toggled value)

Constraints

  • 1 ≤ N ≤ 100

Example

Input: 10
Output: 5

Explanation: Binary 1010 toggled to 0101 (5).

Question 3: Count Elements Within a Difference

Implement int findCount(int arr[], int length, int num, int diff) to return the count of elements in arr where |arr[i] - num| ≤ diff. Return -1 if none.

Input Format

  • First line: length
  • Next length lines: array elements
  • Next: num
  • Next: diff

Output Format

  • Single integer (count or -1)

Example

Input:
7
12
3
14
56
77
13
13
2

Output: 3

Explanation: 12, 13, 14 are within 2 of 13.

Question 4: Difference of Sums (Divisible vs Non-Divisible)

Compute the absolute difference between the sum of numbers from 1 to m divisible by n and those not divisible by n.

Input Format

  • Integer n
  • Integer m

Output Format

  • Single integer (absolute difference)

Constraints

  • n > 0, m > 0

Example

Input: 4, 20
Output: 90

Question 5: Sort Array of 0, 1, 2 (Risk Severity)

Sort an array of N integers consisting only of 0, 1, or 2 in ascending order.

Input Format

  • First line: N
  • Next N lines: elements (0,1,2)

Output Format

  • Single line with sorted elements

Example

Input:
7
1
0
2
0
1
0
2

Output: 0 0 0 1 1 2 2

Question 6: Class Monitor

Given a sequence of ranks, count how many times a new minimum rank appears after the first (i.e., how many names are cut).

Input Format

  • First line: N
  • Second line: N ranks

Output Format

  • Single integer (count - 1 for the first)

Constraints

  • N ≤ 10⁹, ranks ≤ 10,000

Example

Input:
6
4 3 7 2 6 1

Output: 2 (3-1)

Question 7: Corona for Computer (Binary Virus - Right Shift)

A virus with n spikes removes the n least significant bits from each number in an array (right shift by n).

Input Format

  • N
  • N numbers
  • n (spikes)

Output Format

  • Shifted numbers

Example

Input:
5
1 2 3 4 5
2

Output: 0 0 0 1 1

Question 8: Help of Prepsters (Count with K Set Bits)

Count integers < N with exactly K set bits in binary.

Input Format

  • N K

Output Format

  • Count

Constraints

  • 1 ≤ N ≤ 10,000, 1 ≤ K ≤ 10

Example

Input: 7 2
Output: 3 (3,5,6)

Question 9: Momentum LinkedList

Compute total momentum (sum mass * velocity) for n particles.

Input Format

  • n
  • n lines: mass velocity

Output Format

  • Total momentum

Constraints

  • 1 ≤ n ≤ 10,000, 1 ≤ m,v ≤ 100

Example

Input:
4
1 3
2 4
2 3
4 5

Output: 37

Question 10: Lazy String (Lex Smallest LCS)

Find the lexicographically smallest longest common subsequence of two strings.

Input Format

  • Two strings (capital letters)

Output Format

  • Smallest LCS string

Example

Input:
ABCD
BACD

Output: ACD

Question 11: Number of Subarrays with Odd Sum

Count subarrays with odd sum.

Input Format

  • N
  • N integers

Output Format

  • Count

Constraints

  • 1 ≤ N ≤ 10⁵, |arr[i]| ≤ 1000

Question 12: Length of Longest Palindromic Substring

Find the length of the longest palindromic substring.

Input Format

  • String S

Output Format

  • Length

Constraints

  • 1 ≤ |S| ≤ 1000

Example

Input: babad
Output: 3

Question 13: Merge K Sorted Arrays

Merge k sorted arrays into one sorted array.

Input Format

  • k
  • k arrays

Output Format

  • Merged array

Question 14: Kth Largest Element

Find the kth largest in an unsorted array.

Input Format

  • N k
  • N integers

Output Format

  • Kth largest

Question 15: Count Inversions

Count inversions (pairs i<j where arr[i]>arr[j]).

Input Format

  • N
  • N integers

Output Format

  • Count

Constraints

  • 1 ≤ N ≤ 10⁵

Question 16: Numbers with Even Digits

Find numbers with even number of digits (mentioned in YouTube as common).

Note: Full statement not detailed, but involves counting or finding such numbers in a range.

Question 17: Job Scheduling

Given jobs with ID, deadline, profit, maximize profit by scheduling (one per day, meet deadlines).

Input Format

  • Array of jobs

Output Format

  • Sequence of IDs and max profit

Question 18: String Alternation

Alternate characters from two strings, append remaining if unequal length.

Example

Input: HackerRank, Mountain
Output: HMaMaOcKeRnTnaiak

Question 19: Sum of Two Primes

Express a number as sum of two primes.

Input Format

  • Number

Output Format

  • Pair or message

Example

Input: 34
Output: 3 and 31

Question 20: Perfect Number Check

Check if a number is perfect (sum of proper divisors equals number).

Example

Input: 28
Output: Perfect

Deloitte NLA Previous Year MCQs

Deloitte NLA MCQs repeat patterns heavily, practice these for 70–90% coverage.

Sections Overview (2025–2026 Pattern):

  • Quants + Logical Aptitude → 80 MCQs (50 Quants + 30 Logical – combined practice set, actual test often 40–50+ combined)
  • English Verbal → 20 MCQs
  • Technical Skills → 20 MCQs

No negative marking | 90 mins total | Focus on speed + accuracy.

Quantitative Aptitude (1–50)

  1. HCF of 18, 108, 264?
    A) 4
    B) 3
    C) 6
    D) 8
    Answer: C) 6

  2. Smallest 4-digit number divided by 7,9,11 leaves remainders 3,5,7?
    A) 1355
    B) 1366
    C) 1377
    D) 1382
    Answer: B) 1366

  3. Pipe A fills in 10 hrs, B empties in 15 hrs. Together time?
    A) 20 hrs
    B) 30 hrs
    C) 25 hrs
    D) 6 hrs
    Answer: B) 30 hrs

  4. Boat downstream 30 km in 2 hrs, upstream 20 km in 4 hrs. Stream speed?
    A) 5 km/h
    B) 10 km/h
    C) 15 km/h
    D) 7.5 km/h
    Answer: A) 5 km/h

  5. 43322K divisible by 72. Find K?
    A) 4
    B) 8
    C) 0
    D) 6
    Answer: B) 8

  6. Petrol:kerosene = 2:1 in 120 L. Add kerosene X L to make 3:2. X?
    A) 12 L
    B) 24 L
    C) 40 L
    D) 60 L
    Answer: A) 12 L

  7. Ways to make ₹100 with 1 & 2 rupee coins?
    A) 51
    B) 50
    C) 49
    D) 52
    Answer: A) 51

  8. Series: 2, 5, 10, 17, 26, ?
    A) 37
    B) 39
    C) 40
    D) 35
    Answer: A) 37

  9. CP ₹400, SP ₹500. Profit %?
    A) 20%
    B) 25%
    C) 30%
    D) 15%
    Answer: B) 25%

  10. A 12 days, B 18 days, A+B+C finish in 4 days. C alone?
    A) 6 days
    B) 9 days
    C) 12 days
    D) 18 days
    Answer: B) 9 days

  11. SI on ₹8000 @5% p.a. 3 years?
    A) ₹1200
    B) ₹1400
    C) ₹1000
    D) ₹1600
    Answer: A) ₹1200

  12. CI on ₹10000 @10% p.a. 2 years annual?
    A) ₹2100
    B) ₹2000
    C) ₹2200
    D) ₹2300
    Answer: A) ₹2100

  13. Ages A:B = 4:5. After 5 yrs = 5:6. A age?
    A) 20
    B) 25
    C) 30
    D) 15
    Answer: A) 20

  14. Train 150 m crosses pole in 5 sec. Speed?
    A) 108 km/h
    B) 90 km/h
    C) 72 km/h
    D) 54 km/h
    Answer: A) 108 km/h

  15. Trains 120 m & 180 m opposite 54 & 72 km/h. Cross time?
    A) 10 sec
    B) 12 sec
    C) 15 sec
    D) 18 sec
    Answer: A) 10 sec

  16. LCM of 12, 18, 24?
    A) 72
    B) 48
    C) 96
    D) 144
    Answer: A) 72

  17. Marked 40% above cost, 10% discount. Profit %?
    A) 26%
    B) 30%
    C) 24%
    D) 28%
    Answer: A) 26%

  18. 3 men or 4 women 43 days. 6 men + 8 women time?
    A) 12 days
    B) 10 days
    C) 15 days
    D) 18 days
    Answer: A) 12 days

  19. Average first 10 natural numbers?
    A) 5.5
    B) 6
    C) 5
    D) 10
    Answer: A) 5.5

  20. 5% of x = 3% of y. y:x?
    A) 5:3
    B) 3:5
    C) 15:1
    D) 1:15
    Answer: A) 5:3

  21. Article 20% profit. ₹60 more → 50% profit. CP?
    A) ₹400
    B) ₹300
    C) ₹500
    D) ₹200
    Answer: A) ₹400

  22. Ratio 3:4. Add 5 each → 4:5. Smaller number?
    A) 15
    B) 20
    C) 12
    D) 18
    Answer: A) 15

  23. Boat still 10 km/h, stream 2 km/h. 24 km down & back?
    A) 5 hrs
    B) 4.8 hrs
    C) 5.5 hrs
    D) 6 hrs
    Answer: B) 4.8 hrs

  24. Pipes A,B,C 10,15,30 hrs. All 2 hrs, C closed. Remaining time?
    A) 4 hrs
    B) 5 hrs
    C) 6 hrs
    D) 3 hrs
    Answer: A) 4 hrs

  25. HCF of 36, 48, 72?
    A) 12
    B) 6
    C) 24
    D) 18
    Answer: A) 12

  26. 20% of 500 is what % of 250?
    A) 40%
    B) 50%
    C) 60%
    D) 80%
    Answer: A) 40%

  27. Two pipes fill in 12 & 15 min. Together time?
    A) 6.67 min
    B) 7 min
    C) 6 min
    D) 8 min
    Answer: A) 6.67 min

  28. Profit 25% on CP ₹800. SP?
    A) ₹1000
    B) ₹900
    C) ₹1100
    D) ₹1200
    Answer: A) ₹1000

  29. Series: 3, 8, 15, 24, 35, ?
    A) 48
    B) 50
    C) 46
    D) 52
    Answer: A) 48

  30. Boat downstream 18 km/h, upstream 12 km/h. Still water speed?
    A) 15 km/h
    B) 14 km/h
    C) 16 km/h
    D) 13 km/h
    Answer: A) 15 km/h

  1. LCM of 8, 12, 18?
    A) 72
    B) 36
    C) 144
    D) 24
    Answer: A) 72

  2. A:B = 5:7, B:C = 7:9. A:B:C?
    A) 5:7:9
    B) 35:49:63
    C) 5:9:7
    D) 49:35:63
    Answer: A) 5:7:9

  3. Train 120 m crosses platform 180 m in 15 sec. Speed?
    A) 72 km/h
    B) 54 km/h
    C) 90 km/h
    D) 60 km/h
    Answer: A) 72 km/h

  4. 15% increase on ₹400. New value?
    A) ₹460
    B) ₹450
    C) ₹440
    D) ₹470
    Answer: A) ₹460

  5. Average of 5 numbers 42. One number 38. Average of remaining?
    A) 43
    B) 42.5
    C) 44
    D) 41
    Answer: A) 43

  6. A & B together 8 days, B alone 12 days. A alone?
    A) 24 days
    B) 20 days
    C) 16 days
    D) 18 days
    Answer: A) 24 days

  7. Selling price of 10 articles = cost price of 12. Profit %?
    A) 20%
    B) 25%
    C) 15%
    D) 12%
    Answer: A) 20%

  8. 25% discount on marked price ₹800. SP?
    A) ₹600
    B) ₹650
    C) ₹700
    D) ₹550
    Answer: A) ₹600

  9. Boys:girls 3:4. 40% boys & 25% girls fail. Passing ratio?
    A) 13:14
    B) 14:13
    C) 12:15
    D) 15:12
    Answer: A) 13:14

  10. Two numbers sum 50, difference 10. Numbers?
    A) 30, 20
    B) 25, 25
    C) 35, 15
    D) 40, 10
    Answer: A) 30, 20

  11. Speed 60 km/h. Time for 240 km?
    A) 4 hrs
    B) 5 hrs
    C) 3 hrs
    D) 6 hrs
    Answer: A) 4 hrs

  12. 1/3 of number is 15. Number?
    A) 45
    B) 50
    C) 40
    D) 60
    Answer: A) 45

  13. CI at 10% for 2 years on ₹5000?
    A) ₹1050
    B) ₹1100
    C) ₹1000
    D) ₹1200
    Answer: A) ₹1050

  14. Pipe A fills 6 hrs, B empties 8 hrs. Together time?
    A) 24 hrs
    B) 48 hrs
    C) 12 hrs
    D) 36 hrs
    Answer: A) 24 hrs

  15. 15 men 20 days. 10 men how many days?
    A) 30 days
    B) 25 days
    C) 35 days
    D) 40 days
    Answer: A) 30 days

  16. Series: 4, 9, 16, 25, 36, ?
    A) 49
    B) 64
    C) 81
    D) 100
    Answer: A) 49

  17. 20% loss on CP ₹500. SP?
    A) ₹400
    B) ₹450
    C) ₹600
    D) ₹350
    Answer: A) ₹400

  18. LCM & HCF two numbers 120 & 8. Possible numbers?
    A) 8 & 120
    B) 16 & 60
    C) 24 & 40
    D) 32 & 30
    Answer: A) 8 & 120

  19. Car covers 360 km in 6 hrs. Speed?
    A) 60 km/h
    B) 50 km/h
    C) 70 km/h
    D) 80 km/h
    Answer: A) 60 km/h

  20. 2x + 3y = 12, x + y = 5. Value of x?
    A) 3
    B) 2
    C) 4
    D) 1
    Answer: A) 3

Logical Reasoning (51–80)

  1. A left of B, right of C. D between B & E. Extreme left?
    A) C
    B) A
    C) D
    D) E
    Answer: A) C

  2. "His mother is only daughter of my mother." Relation?
    A) Mother
    B) Sister
    C) Daughter
    D) Grandmother
    Answer: A) Mother

  3. All cats animals. Some animals dogs. Some cats dogs?
    A) True
    B) False
    C) Possibly
    D) Cannot say
    Answer: D) Cannot say

  4. "APPLE" → "ZKKOV". "ORANGE"?
    A) PSBOHF
    B) NRZMFH
    C) QSBPHG
    D) Variant
    Answer: A) PSBOHF

  5. Walk 5N, right 3, left 4, right 3. Distance?
    A) 5 km
    B) 7 km
    C) 9 km
    D) 12 km
    Answer: B) 7 km

  6. Series: 7, 10, 16, 25, 37, ?
    A) 52
    B) 50
    C) 48
    D) 55
    Answer: A) 52

  7. "She is sister of my father's only son." Relation?
    A) Daughter
    B) Sister
    C) Mother
    D) Aunt
    Answer: A) Daughter

  8. Coding operators swapped: 8 × 4 – 2 + 3 ÷ 1?
    A) 10
    B) 12
    C) 9
    D) 11
    Answer: A) 10

  9. X brother Y. Y daughter Z. Z wife W. W to X?
    A) Father
    B) Uncle
    C) Brother
    D) Grandfather
    Answer: A) Father

  10. 6 people row, U not next V, W left X, Z not end. Possible?
    A) U in 2
    B) V in 3
    C) Z in 5
    D) Variants
    Answer: Puzzle type

  1. Man walks 10 m south, right 15 m, left 20 m. Final direction?
    A) North
    B) South
    C) East
    D) West
    Answer: B) South (net displacement south)

  2. Syllogism: All roses flowers. Some flowers fade quickly. Some roses fade quickly?
    A) True
    B) False
    C) Possibly
    D) Cannot say
    Answer: D) Cannot say

  3. Coding: "MANGO" → "NBOHP". "APPLE"?
    A) BQQMF
    B) ZKKOV
    C) CQQLF
    D) BQQME
    Answer: A) BQQMF (+1 shift)

  4. Data sufficiency: Is x > y? (I) x-y=5 (II) y=10
    A) I alone sufficient
    B) II alone sufficient
    C) Both needed
    D) Neither
    Answer: A) I alone sufficient

  5. Directions: From A, 10 m south, right 15 m, left 20 m, right 15 m. Final position?
    A) 10 m south, 30 m east
    B) 10 m south, 15 m east
    C) 20 m south
    D) 10 m north
    Answer: B) 10 m south, 15 m east (variant)

  6. Series: 1, 4, 9, 16, 25, ?
    A) 36
    B) 49
    C) 64
    D) 81
    Answer: A) 36

  7. Blood relation: Pointing to girl, man said "She is mother of my son's wife". Relation?
    A) Mother-in-law
    B) Sister
    C) Daughter
    D) Wife
    Answer: A) Mother-in-law

  8. Puzzle: 5 friends A B C D E seating. A opposite C, B next D. Possible?
    A) Circular arrangement
    B) Linear
    C) Both
    D) Variants
    Answer: Puzzle type

  9. Input-output: Machine input "23 45 12 67 89". Step 1 "89 23 45 12 67". Pattern?
    A) Largest first
    B) Smallest first
    C) Alternate
    D) Sum based
    Answer: A) Largest first (common pattern)

  10. Inequalities: A > B ≥ C = D < E. Which true?
    A) A > D
    B) B = E
    C) C < E
    D) Variants
    Answer: A) A > D

  11. Clock: Angle between hands at 3:30?
    A) 75°
    B) 90°
    C) 60°
    D) 105°
    Answer: B) 90° (variant)

  12. Calendar: What day was 15 Aug 1947?
    A) Friday
    B) Saturday
    C) Thursday
    D) Sunday
    Answer: A) Friday (historical)

  13. Data sufficiency: Is triangle possible? (I) sides 3,4,5 (II) angles 60,60,60
    A) I alone
    B) II alone
    C) Both
    D) Neither
    Answer: A) I alone

  14. Coding: "BOOK" = "CPPL". "PAGE"?
    A) QBHG
    B) QBHF
    C) QAHF
    D) PBHG
    Answer: A) QBHG (+1 shift)

  15. Seating: 8 people circular. A opposite D, B next C. Questions on positions.
    A) A left of B
    B) D opposite B
    C) Variants
    D) Puzzle type
    Answer: Puzzle type

  16. Syllogism: Some pens blue. All blue good. Conclusion?
    A) Some pens good
    B) All good blue
    C) Some good pens
    D) Variants
    Answer: A) Some pens good

  17. Direction: A walks 20 m east, turns left 30 m, turns right 40 m. Distance from start?
    A) 50 m
    B) 70 m
    C) √(20² + 30²)
    D) 60 m
    Answer: A) 50 m (net)

  18. Blood relation: A is B's sister. B is C's brother. C is D's mother. A to D?
    A) Aunt
    B) Mother
    C) Sister
    D) Grandmother
    Answer: A) Aunt

  19. Series: 5, 10, 20, 40, 80, ?
    A) 160
    B) 120
    C) 100
    D) 200
    Answer: A) 160 (×2)

  20. Puzzle: Box stacking or floor based with conditions (common in Deloitte).
    A) Person A on 3rd floor
    B) Variants
    C) Puzzle type
    D) Multiple questions
    Answer: Puzzle type

English Verbal (81–100)

  1. The project was _ successfully within the given time frame.
    A) completed
    B) ended
    C) finished
    D) close
    Answer: A) completed

  2. Synonym of "MUTABLE"?
    A) Changeable
    B) Stable
    C) Fixed
    D) Permanent
    Answer: A) Changeable

  3. Error spotting: He go to school everyday.
    A) go → goes
    B) everyday → every day
    C) No error
    Answer: A) goes

  4. She is afraid _ dogs.
    A) of
    B) from
    C) with
    D) to
    Answer: A) of

  5. Antonym of "RECKLESS"?
    A) Careful
    B) Bold
    C) Fast
    D) Dangerous
    Answer: A) Careful

  6. Synonym of "RECKLESS"?
    A) Careful
    B) Bold
    C) Cautious
    D) Prudent
    Answer: B) Bold

  7. Fill blank: He is good _ mathematics.
    A) at
    B) in
    C) on
    D) with
    Answer: A) at

  8. Error: The childrens are playing in the park.
    A) childrens → children
    B) are → is
    C) No error
    D) Variants
    Answer: A) childrens → children

  9. Sentence improvement: He is knowing the answer.
    A) knows
    B) knew
    C) is known
    D) No improvement
    Answer: A) knows

  10. Para jumble: P: silent in lake city. Q: ugly turn around noon. R: mobs arrived. S: protesters.
    A) P Q R S
    B) Q P R S
    C) P R S Q
    D) Variants
    Answer: A) P Q R S (common order)

  1. One word substitution: Fear of water.
    A) Hydrophobia
    B) Claustrophobia
    C) Agoraphobia
    D) Acrophobia
    Answer: A) Hydrophobia

  2. Idiom: "Break a leg" means?
    A) Good luck
    B) Bad luck
    C) Injury
    D) Run fast
    Answer: A) Good luck

  3. Synonym "EPHEMERAL"?
    A) Short-lived
    B) Permanent
    C) Eternal
    D) Long
    Answer: A) Short-lived

  4. Antonym "GENEROUS"?
    A) Stingy
    B) Kind
    C) Charitable
    D) Liberal
    Answer: A) Stingy

  5. Fill blank: The book is _ the table.
    A) on
    B) in
    C) at
    D) over
    Answer: A) on

  6. Error: Neither the teacher nor the students is present.
    A) is → are
    B) No error
    C) students → student
    D) Variants
    Answer: B) No error (rule of proximity)

  7. Sentence correction: Running fastly, he won the race.
    A) Running fast
    B) Fast running
    C) He ran fastly
    D) No correction
    Answer: A) Running fast

  8. Comprehension assumption: "Two-wheeler drivers reckless on low-traffic roads". Assumption?
    A) Higher speeds on low-traffic roads
    B) All drivers reckless
    C) No traffic police
    D) Variants
    Answer: A) Higher speeds on low-traffic roads

  9. One word: Study of birds.
    A) Ornithology
    B) Entomology
    C) Zoology
    D) Botany
    Answer: A) Ornithology

  10. Idiom: "Piece of cake" means?
    A) Easy task
    B) Sweet dish
    C) Difficult
    D) Expensive
    Answer: A) Easy task

Technical MCQs (101–120)

  1. Mutable data type in Python?
    A) Tuple
    B) List
    C) String
    D) Integer
    Answer: B) List

  2. Deadlock in OS?
    A) Processes wait forever for resources
    B) High CPU usage
    C) Memory overflow
    D) File corruption
    Answer: A)

  3. Inheritance in OOP provides?
    A) Code reusability
    B) Data hiding
    C) Polymorphism only
    D) Dynamic binding
    Answer: A) Code reusability

  4. Normalization in DBMS reduces?
    A) Redundancy
    B) Data size increase
    C) Query speed only
    D) Encryption
    Answer: A)

  5. IaaS full form?
    A) Infrastructure as a Service
    B) Information as a Service
    C) Internet as a Service
    D) Integration as a Service
    Answer: A)

  6. Bubble Sort worst-case complexity?
    A) O(n²)
    B) O(n log n)
    C) O(n)
    D) O(1)
    Answer: A) O(n²)

  7. Encapsulation in C++ achieved by?
    A) Access specifiers (private/public)
    B) Inheritance
    C) Polymorphism
    D) Templates
    Answer: A)

  8. Document-based database?
    A) MySQL
    B) MongoDB
    C) Oracle
    D) SQL Server
    Answer: B) MongoDB

  9. TCP vs UDP difference?
    A) TCP connection-oriented, UDP connectionless
    B) Both connectionless
    C) UDP reliable
    D) TCP faster
    Answer: A) TCP connection-oriented, UDP connectionless

  10. OSI model layer 3?
    A) Network
    B) Transport
    C) Data Link
    D) Physical
    Answer: A) Network

  11. Primary key in DBMS?
    A) Unique identifier
    B) Duplicate allowed
    C) Null allowed
    D) Variants
    Answer: A) Unique identifier

  12. Paging vs Segmentation?
    A) Paging fixed size, Segmentation variable
    B) Both fixed
    C) Segmentation fixed
    D) Variants
    Answer: A) Paging fixed size, Segmentation variable

  13. Deadlock prevention method?
    A) Banker's algorithm
    B) High CPU
    C) Memory leak
    D) Variants
    Answer: A) Banker's algorithm

  14. SaaS example?
    A) Google Docs
    B) AWS EC2
    C) Azure VM
    D) Variants
    Answer: A) Google Docs

  15. Pointer in C used for?
    A) Memory address
    B) Value storage
    C) Array only
    D) Variants
    Answer: A) Memory address

  16. Stack follows?
    A) LIFO
    B) FIFO
    C) Random
    D) Variants
    Answer: A) LIFO

  17. Queue follows?
    A) FIFO
    B) LIFO
    C) Random
    D) Variants
    Answer: A) FIFO

  18. OOP pillar "Polymorphism" means?
    A) Many forms
    B) Single form
    C) Data hiding
    D) Reusability
    Answer: A) Many forms

  19. SQL JOIN type for matching records?
    A) INNER JOIN
    B) LEFT JOIN
    C) RIGHT JOIN
    D) FULL JOIN
    Answer: A) INNER JOIN

  20. CPU scheduling algorithm FCFS?
    A) First Come First Serve
    B) Shortest Job First
    C) Round Robin
    D) Priority
    Answer: A) First Come First Serve