Aptitude
Drills
LinkedIn placement papers 2024
Overview
Section titled “Overview”LinkedIn placement papers 2024. Primary filter: LinkedIn Online Assessment. Focus: DSA, system design, product sense.
LinkedIn Aptitude Mock Quiz
Timed placement-style MCQs with score and explanations after you submit. Use it to check speed and accuracy before the real test.
Questions15
Time10 min
Quantitative
A car covers 240 km in 4 hours. What is its average speed?
Correct answer: 60 km/hr
Reasoning
If letter positions are summed (A=1…Z=26), RED equals:
Sum of positions = 27.
Quantitative
The HCF of 36 and 48 is:
36 = 2²×3², 48 = 2⁴×3 → HCF = 2²×3 = 12.
Quantitative
A is twice as old as B. 10 years ago, A was 4 times as old as B. Find the present age of A.
Correct answer: 30 years
Quantitative
If "APPLE" is coded as "1225165", how is "MANGO" coded?
Pattern: A=1, B=2, C=3... Z=26 APPLE: A=1, P=16, P=16, L=12, E=5 → 1225165 MANGO: M=13, A=1, N=14, G=7, O=15 → 13114715
Verbal
Fill in: She is good _____ mathematics.
Good at a subject.
Quantitative
A number is first increased by 25% and then decreased by 20%. Find the net percentage change.
Let number = 100 After 25% increase: 100 + 25 = 125 After 20% decrease: 125 - 20% of 125 = 125 - 25 = 100 Net change = 0%
Verbal
The company's profits have been _____ steadily over the past year.
Correct answer: declining
Reasoning
In a row of 40 students, A is 11th from the left. Rank from the right is:
From right = 40-11+1 = 30.
Verbal
The idiom "add fuel to the fire" means:
It means: make a situation worse.
Reasoning
If every letter is shifted +2 in the alphabet, CODE becomes:
Each letter +2 → EQFG.
Verbal
Antonym of "Optimistic":
Optimistic ↔ pessimistic.
Quantitative
A sum of money amounts to ₹9800 after 5 years and ₹12005 after 8 years at the same rate of simple interest. Find the rate of interest per annum.
Let Principal = P, Rate = R% After 5 years: P + (P × R × 5)/100 = 9800 After 8 years: P + (P × R × 8)/100 = 12005 Subtracting: (P × R × 3)/100 = 12005 - 9800 = 2205 P × R = 73500 From first equation: P + (73500 × 5)/100 = 9800 P + 3675 = 9800 P = 6125 Rate R =
Reasoning
In how many ways can 5 people be arranged in a row if two particular people must sit together?
Treat the two people as one unit: 4 units to arrange = 4! ways The two people can be arranged among themselves in 2! ways Total = 4! × 2! = 24 × 2 = 48 ways
Reasoning
All dogs are animals. All animals need food. Conclusion: All dogs need food.
Transitive universal.
Your score
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Review
Sample LinkedIn Questions with Solutions
Section titled “Sample LinkedIn Questions with Solutions”Practice-style questions (not leaked live papers).
Coding Practice
Section titled “Coding Practice”Coding Q1: Two Sum
Approach: Hash map complements.
Complexity: O(n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q2: Longest substring without repeat
Approach: Sliding window + last index.
Complexity: O(n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q3: Merge intervals
Approach: Sort + merge.
Complexity: O(n log n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q4: Top K frequent
Approach: Count + heap.
Complexity: O(n log k)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q5: Linked list cycle
Approach: Floyd tortoise-hare.
Complexity: O(1) space
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q6: Level order traversal
Approach: BFS queue.
Complexity: O(n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q7: Coin change min coins
Approach: DP unbounded.
Complexity: O(amount*coins)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q8: Binary search
Approach: Lo/hi mid.
Complexity: O(log n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q9: Kadane max subarray
Approach: Running best.
Complexity: O(n)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Coding Q10: Reverse a string in-place
Approach: Two pointers from ends.
Complexity: O(n)/O(1)
LinkedIn tip: Narrate brute force then optimize then edge cases before coding.
Deep Prep Notes for LinkedIn
Section titled “Deep Prep Notes for LinkedIn”How the LinkedIn Online Assessment Usually Feels
Section titled “How the LinkedIn Online Assessment Usually Feels”Candidates describe a paced filter where easy marks disappear if you over-invest in one hard item. For LinkedIn, start with a three-minute scan, mark certainty levels, and protect accuracy. Languages typically include Java, C++, Python.
Topic Weight Hints (Candidate-Reported)
Section titled “Topic Weight Hints (Candidate-Reported)”| Area | Why it matters at LinkedIn |
|---|---|
| DSA | Primary shortlist signal |
| Core CS (OOPs/DBMS/OS) | Technical interview depth |
| Professional Network, SaaS awareness | Managerial / HR differentiation |
| Communication | Especially for consulting and client-facing GSIs |
14-Day Sprint
Section titled “14-Day Sprint”- Days 1-3: pattern familiarization + 2 sectional mocks
- Days 4-7: weak-topic closed practice
- Days 8-10: full mocks every other day
- Days 11-14: interview narration + light revision
Related
Section titled “Related”Coding
DSA
OA
Assessment
Hub
LinkedIn