Aptitude
Drills
LTTS placement papers 2025
Overview
Section titled “Overview”LTTS placement papers 2025. Primary filter: LTTS Online Assessment. Focus: Aptitude, engineering basics, coding.
LTTS 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
Reasoning
Find the next number: 4, 9, 19, 39, ?
×2+1 pattern → 79.
Quantitative
A mixture has milk and water in ratio 4:1. In 40 litres, milk is:
Milk = 4/5 × 40 = 32 litres.
Quantitative
Find next letter: B, E, H, K, ?
Pattern: B(+3)→E(+3)→H(+3)→K(+3)→N Next letter = N
Quantitative
Two numbers are in ratio 3:5 and their sum is 56. The larger number is:
Parts = 8. Larger = 5/8 × 56 = 35.
Quantitative
Divide ₹1200 in the ratio 2:3:5.
Correct answer: ₹240, ₹360, ₹600
Verbal
Antonym of "Benevolent":
Benevolent ↔ malevolent.
Quantitative
A person walks 5 km North, then 3 km East, then 2 km South. How far is he from starting point?
Correct answer: 3√2 km
Reasoning
If all roses are flowers and some flowers are red, which statement is definitely true?
Correct answer: Some red things are flowers
Reasoning
Find the missing number: 3, 9, 27, 81, ?
Each ×3 → 243.
Verbal
Antonym of "Optimistic":
Optimistic ↔ pessimistic.
Reasoning
Arrange the words: 1. Elephant 2. Cat 3. Dog 4. Ant
Correct answer: 4, 2, 3, 1
Verbal
Choose the synonym of "Abundant":
Abundant means plentiful or in large quantity.
Verbal
Choose the correctly spelled word:
Correct spelling is Accommodation.
Reasoning
A walks 3 km north, then 4 km east. Distance from start is:
3-4-5 right triangle → 5 km.
Quantitative
Two cards are drawn from a pack of 52 cards. What is the probability that both are aces?
Probability = (4/52) × (3/51) = (1/13) × (1/17) = 1/221
Your score
0/15(0%)
Review
Sample LTTS Questions with Solutions
Section titled “Sample LTTS Questions with Solutions”Practice-style questions (not leaked live papers).
Aptitude / Reasoning
Section titled “Aptitude / Reasoning”Q1: Ratio of ages A:B = 4:5. After 6 years = 6:7. A present age?
Answer: 12 years
Explanation: 4x+6 / 5x+6 = 6/7 => x=3 => A=12.
Q2: Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Q3: If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Q4: Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Q5: A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Q6: Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Q7: Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Q8: CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Coding Practice
Section titled “Coding Practice”Coding Q1: Two Sum
Approach: Hash map complements.
Complexity: O(n)
LTTS 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)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q3: Merge intervals
Approach: Sort + merge.
Complexity: O(n log n)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q4: Top K frequent
Approach: Count + heap.
Complexity: O(n log k)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q5: Linked list cycle
Approach: Floyd tortoise-hare.
Complexity: O(1) space
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q6: Level order traversal
Approach: BFS queue.
Complexity: O(n)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q7: Coin change min coins
Approach: DP unbounded.
Complexity: O(amount*coins)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q8: Binary search
Approach: Lo/hi mid.
Complexity: O(log n)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Coding Q9: Kadane max subarray
Approach: Running best.
Complexity: O(n)
LTTS 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)
LTTS tip: Narrate brute force then optimize then edge cases before coding.
Deep Prep Notes for LTTS
Section titled “Deep Prep Notes for LTTS”How the LTTS Online Assessment Usually Feels
Section titled “How the LTTS Online Assessment Usually Feels”Candidates describe a paced filter where easy marks disappear if you over-invest in one hard item. For LTTS, start with a three-minute scan, mark certainty levels, and protect accuracy. Languages typically include C, C++, Java, Python.
Topic Weight Hints (Candidate-Reported)
Section titled “Topic Weight Hints (Candidate-Reported)”| Area | Why it matters at LTTS |
|---|---|
| Aptitude | Primary shortlist signal |
| Core CS (OOPs/DBMS/OS) | Technical interview depth |
| Engineering R&D Services 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
LTTS