Prep Guide
Plan
EPAM aptitude questions
Overview
Section titled “Overview”Practice EPAM aptitude questions for EPAM Codility / Online Test.
EPAM 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: 2, 6, 12, 20, 30, ?
Differences +4, +6, +8, +10, +12 → next is 42.
Reasoning
Statements: All cats are dogs. Some dogs are birds. Conclusions: I. Some cats are birds. II. All birds are cats.
Analyzing the statements: - All cats are dogs (A → B) - Some dogs are birds (B → C, some) Conclusion I: Some cats are birds - Since all cats are dogs, and some dogs are birds, we can say some cats are birds. Valid Conclusion II: All birds are cats - This canno
Quantitative
A and B finish a job in 12 and 18 days. Working together they finish in:
1/12 + 1/18 = 5/36 → 36/5 = 7.2 days.
Reasoning
Find next number: 1, 4, 9, 16, 25, ?
Pattern: n² where n = 1, 2, 3, 4, 5... 1²=1, 2²=4, 3²=9, 4²=16, 5²=25 Next: 6² = 36
Verbal
"Break the ice" means:
It means to initiate conversation in a social setting.
Verbal
Antonym of "Benevolent":
Benevolent ↔ malevolent.
Verbal
There _____ many books on the table.
Many books → plural.
Quantitative
A can complete a work in 10 days, B in 15 days. In how many days will they complete the work together?
Let total work = LCM of 10, 15 = 30 units A's efficiency = 30/10 = 3 units/day B's efficiency = 30/15 = 2 units/day Combined efficiency = 3 + 2 = 5 units/day Time taken = 30/5 = 6 days
Quantitative
If "APPLE" is coded as "BQQMF", how is "ORANGE" coded?
Correct answer: PSBOHF
Reasoning
Find the next number: 3, 9, 27, 81, ?
×3 each → 243.
Quantitative
Five people A, B, C, D, E sit in a row. A is not at either end. B sits next to A. C sits at one end. D sits between C and E. Who sits in the middle?
C is at one end. D is between C and E, so: C-D-E or E-D-C A is not at end, B is next to A If C-D-E, then A-B must be before: A-B-C-D-E (A at end, invalid) So: E-D-C, and A-B before: A-B-E-D-C Middle position: E
Verbal
He _____ to school every day.
Singular present.
Quantitative
A shopkeeper marks goods 40% above cost and gives a 10% discount. Profit % is:
SP = 1.4 × 0.9 × CP = 1.26 CP → 26% profit.
Quantitative
Speed 72 km/h. Distance in 20 minutes:
72 × (20/60) = 24 km.
Reasoning
If letter positions are summed (A=1…Z=26), PEN equals:
Sum of positions = 35.
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 2
Section titled “Question 2”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 3
Section titled “Question 3”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 4
Section titled “Question 4”A train 120 m long runs at 54 km/h. Time to pass a pole?
Answer: 8 seconds
Explanation: 54 km/h = 15 m/s; t = 120/15 = 8 s.
Question 5
Section titled “Question 5”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.
Question 6
Section titled “Question 6”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Question 7
Section titled “Question 7”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Question 8
Section titled “Question 8”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Question 9
Section titled “Question 9”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 10
Section titled “Question 10”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Extra Drill Set (EPAM flavor)
Section titled “Extra Drill Set (EPAM flavor)”Q17: A finishes work in 19 days, B in 21 days. Days together?
Rate = 1/19 + 1/21. Days = reciprocal of that sum.
Answer: compute exactly before the exam; practice the fraction form daily.
Q18: Price increases by 28%. Consumption reduction to keep spend constant?
Reduction % = r/(100+r)×100 with r=28.
Answer: 28/(100+28)×100 (simplify).
Q19: Average of 7 numbers is 18. One number 24 replaced by 10. New average?
Sum 126 → 112 → average 16.
Answer: 16
Q20: SI on ₹8000 at 7.5% for 2 years?
SI = 8000×7.5×2/100 = ₹1200.
Answer: ₹1200
Q21: Synonym of “Mitigate”
Answer: Alleviate / reduce
Q22: Series: 3, 9, 27, 81, ?
Multiply by 3 → 243.
Answer: 243
Q23: If NORTH is coded as 13 (letter count? or positions), prefer position-sum drills for your mock bank.
Practice coding-decoding patterns: +1/−1, reverse, position sums.
Answer: pattern-dependent; master 4 common patterns.
Q24: All engineers are graduates. Some graduates are managers. Conclusion: some engineers are managers?
Does not follow necessarily.
Answer: Does not follow
Related
Section titled “Related”Coding
DSA
2026
Year
EPAM Hub
Hub
Similar Companies
Section titled “Similar Companies”Nagarro · Thoughtworks · Globant · Publicis Sapient · GlobalLogic · TCS