Preparation guide
Mastercard Aptitude Questions
Overview
This page has Mastercard aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Mastercard Codility / OA. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Mastercard 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: 6, 11, 21, 41, ?
×2−1 pattern → 81.
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%
Quantitative
The ratio of ages of A and B is 3:5. After 10 years, the ratio becomes 5:7. Find the present age of A.
Let present ages be 3x and 5x After 10 years: (3x + 10)/(5x + 10) = 5/7 7(3x + 10) = 5(5x + 10) 21x + 70 = 25x + 50 4x = 20 x = 5 A's present age = 3 × 5 = 15 years
Reasoning
If BOOK is coded as 43 (sum of letter positions), PEN is coded as:
P+E+N = 16+5+14 = 35.
Reasoning
A is taller than B but shorter than C. D is shorter than B. Who is tallest?
C > A > B > D → C is tallest.
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 =
Verbal
Fill in: She is good _____ mathematics.
Good at a subject.
Quantitative
A shopkeeper gives two successive discounts of 10% and 20% on an item. What is the effective discount percentage?
Let MP = ₹100 After first discount: 100 - 10% = ₹90 After second discount: 90 - 20% = ₹72 Effective discount = (100 - 72) / 100 × 100 = 28%
Reasoning
Find the next number: 5, 10, 20, 40, ?
×2 each → 80.
Verbal
Synonym of "Abundant":
Abundant means plentiful.
Quantitative
A number is increased by 25% and then decreased by 25%. Find the net percentage change.
Let original number = 100 After 25% increase: 100 + 25 = 125 After 25% decrease: 125 - (25% of 125) = 125 - 31.25 = 93.75 Net change = 100 - 93.75 = 6.25 Net percentage change = (6.25/100) × 100 = 6.25% decrease
Reasoning
In a row of 40 students, A is 11th from left. Rank from right is:
From right = 40 − 11 + 1 = 30.
Verbal
Identify the correctly spelled word:
Accommodate has double "c" and double "m".
Quantitative
Find the HCF of 24 and 36.
Correct answer: 12
Verbal
A shopkeeper buys an article for ₹500 and sells it for ₹600. Find his profit percentage.
Correct answer: 20%
Your score
0/15(0%)
Review
Mastercard aptitude topics students usually practice
- Numerical / quantitative: percentages, profit and loss, ratios, time and work, averages, SI/CI, speed-distance
- Logical reasoning: series, coding-decoding, blood relations, seating, syllogisms
- Verbal ability: grammar, vocabulary, error spotting, idioms
Numerical ability questions
Q1: Discount successive
Problem: Two successive discounts of 10% and 20% equal a single discount of?
Solution: Net multiplier = 0.9 × 0.8 = 0.72 → 28% single discount.
Answer: 28%
Q2: Remainder theorem style
Problem: Find remainder when 7^3 is divided by 5.
Solution: 343 ÷ 5: 5×68=340, remainder 3. Or 7≡2 mod 5; 2³=8≡3.
Answer: 3
Q3: Series n(n+1)
Problem: Find the next term: 2, 6, 12, 20, 30, ?
Solution: Pattern: 1×2, 2×3, 3×4, 4×5, 5×6, 6×7. Next = 6 × 7 = 42.
Answer: 42
Q4: Partnership share
Problem: A and B invest ₹40,000 and ₹60,000. If profit is ₹25,000, what is A’s share?
Solution: Ratio A:B = 2:3. A’s share = (2/5) × 25000 = ₹10,000.
Answer: ₹10,000
Q5: Number digit sum
Problem: Sum of digits of a two-digit number is 9. If digits are reversed, number increases by 27. Original number?
Solution: 10a+b; a+b=9; 10b+a = 10a+b+27 → 9b−9a=27 → b−a=3. a+b=9, b−a=3 → b=6, a=3. Number = 36.
Answer: 36
Q6: Average speed
Problem: A person covers a distance at 60 km/h and returns at 40 km/h. What is the average speed for the whole trip?
Solution: For equal distances, average speed = 2ab/(a+b). = 2×60×40 / (60+40) = 4800/100 = 48 km/h.
Do not take the arithmetic mean (50); that would be wrong here.
Answer: 48 km/h
Q7: Compound ratio
Problem: If two ratios are 3:5 and 5:7, what is the compound ratio?
Solution: Compound ratio = (3/5) × (5/7) = 3/7, written as 3:7.
Answer: 3:7
Q8: Man days leftover
Problem: 15 men can do a job in 20 days. After 5 days, 5 men leave. How many more days to finish?
Solution: Work done in 5 days = 15×5 = 75 man-days. Total = 300. Left = 225. Remaining men = 10. Days = 225/10 = 22.5 days.
Answer: 22.5 days
Q9: CI half yearly
Problem: CI on ₹8000 at 10% p.a. for 1 year compounded half-yearly?
Solution: Rate per half-year = 5%. Amount = 8000 × (1.05)² = 8000 × 1.1025 = 8820. CI = 820.
Answer: ₹820
Q10: Relative speed trains
Problem: Two trains 120 m and 180 m long run at 40 and 50 km/h in opposite directions. Time to cross?
Solution: Relative speed = 90 km/h = 25 m/s. Distance = 300 m. Time = 12 s.
Answer: 12 seconds
Verbal ability questions
Q11: Antonym - opaque
Problem: Choose the best antonym of ‘opaque’.
Solution: ‘Opaque’ means not transparent. Opposite: transparent / clear.
Answer: Transparent
Q12: Idiom
Problem: What does ‘hit the nail on the head’ mean?
Solution: It means to describe exactly what is causing a situation or problem; to be precisely right.
Answer: To be exactly right
Q13: Synonym - mitigate
Problem: Choose the best synonym of ‘mitigate’.
Solution: ‘Mitigate’ means to make less severe. Closest match: alleviate.
Answer: Alleviate
Q14: Sentence rearrange
Problem: Arrange: (1) the exam (2) she cleared (3) with ease
Solution: She cleared the exam with ease.
Answer: 2-1-3
Q15: Error spotting tense
Problem: Identify the error: He go to school yesterday.
Solution: Past time marker needs past tense: went.
Answer: go → went
Q16: Antonym - scarce
Problem: Choose the best antonym of ‘scarce’.
Solution: ‘Scarce’ means in short supply. Opposite: abundant.
Answer: Abundant
Reasoning ability questions
Q17: Mirror clock
Problem: A clock shows 3:15. What is the mirror image time approximately (12-hour mirror)?
Solution: Mirror of h:m is roughly 12:00 − 3:15 → 8:45.
Answer: 8:45
Q18: Puzzle order
Problem: P finishes before Q but after R. S finishes after Q. Who finished first?
Solution: Order: R, P, Q, S. First is R.
Answer: R
Q19: Matrix letter
Problem: If in a code A=1, B=2, … Z=26, what is the value of CAB?
Solution: C=3, A=1, B=2; sum = 6 (if additive coding).
Answer: 6
Q20: Statement assumption
Problem: Statement: Use public transport to reduce pollution. Assumption: Public transport causes less pollution than private vehicles.
Solution: The advice assumes public transport is cleaner. Assumption is implicit.
Answer: Implicit / valid
Q21: Odd one shapes
Problem: Odd one out: Circle, Square, Triangle, Cube
Solution: Cube is 3D; others are 2D shapes.
Answer: Cube
Q22: Analogy tool
Problem: Hammer is to Nail as Pen is to ?
Solution: Hammer drives nail; pen writes (on paper/ink). Best: Paper / Writing.
Answer: Paper
Timed practice tips for Mastercard
- First pass: only high-confidence questions
- Mark and skip time sinks early
- Keep verbal accuracy high - these are easy marks if you stay calm
- Run the mock quiz at least three times a week under real timing
- Sleep properly the night before; fatigue hurts DI and calculation accuracy
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