Preparation guide
Morgan Stanley Aptitude Questions
Overview
This page has Morgan Stanley aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Morgan Stanley Online Assessment. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Morgan Stanley 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.
Quantitative
If "APPLE" is coded as "BQQMF", how is "ORANGE" coded?
Correct answer: PSBOHF
Reasoning
How many 9s are there between 1 and 100?
9,19,29,39,49,59,69,79,89,90-99 → 20 nines.
Quantitative
The following table shows the sales of a company over 5 years. Find the average annual growth rate. | Year | Sales (in crores) | |------|-------------------| | 2020 | 100 | | 2021 | 120 | | 2022 | 150 | | 2023 | 180 | | 2024 | 200 |
Correct answer: 19.03%
Reasoning
Find the next number: 2, 6, 12, 20, 30, ?
Differences +4, +6, +8, +10, +12 → next is 42.
Reasoning
If P means +, Q means −, R means ×, then 18 R 2 P 6 Q 4 = ?
18 × 2 + 6 − 4 = 36 + 6 − 4 = 38.
Reasoning
Find the next number: 1, 8, 27, 64, 125, ?
Correct answer: 216
Verbal
Antonym of "Optimistic":
Optimistic ↔ pessimistic.
Reasoning
Odd one out: 8, 27, 64, 100, 125
Others are perfect cubes; 100 is not.
Quantitative
A shopkeeper marks his goods 30% above cost price but allows a discount of 10%. Find his profit percentage.
Correct answer: 17%
Verbal
Neither the teacher nor the students _____ present.
Verb agrees with nearer subject (students) → were.
Verbal
Antonym of "Benevolent":
Benevolent ↔ malevolent.
Quantitative
If "MAN" is coded as "13114", how is "WOMAN" coded? (A=1, B=2...)
Correct answer: 231513114
Verbal
The company's profits have been _____ steadily over the past year.
Correct answer: declining
Quantitative
A person sells a pen at a 25% profit. If the cost price is ₹40, what is the selling price?
Profit = 25% of ₹40 = ₹10 Selling Price = Cost Price + Profit = ₹40 + ₹10 = ₹50
Quantitative
The ratio of present ages of father and son is 7:3. After 10 years, the ratio becomes 2:1. Find the present age of father.
Let present ages: Father = 7x, Son = 3x After 10 years: (7x + 10)/(3x + 10) = 2/1 7x + 10 = 2(3x + 10) 7x + 10 = 6x + 20 7x - 6x = 20 - 10 x = 10 Father's present age = 7 × 10 = 70 years
Your score
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Review
Morgan Stanley 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: 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
Q2: Mixture milk
Problem: A mixture has milk and water in the ratio 4:1. If 5 litres of water are added to 20 litres of mixture, what is the new milk:water ratio?
Solution: In 20 L: milk = 16 L, water = 4 L. After adding 5 L water: milk 16, water 9. Ratio = 16:9.
Answer: 16:9
Q3: Age ratio
Problem: The ratio of ages of A and B is 3:5. After 8 years the ratio becomes 5:7. Find A’s present age.
Solution: Let ages be 3x and 5x. (3x+8)/(5x+8) = 5/7 7(3x+8) = 5(5x+8) 21x + 56 = 25x + 40 4x = 16 → x = 4 A’s age = 12 years.
Answer: 12 years
Q4: Unitary rice
Problem: 12 kg rice costs ₹540. Cost of 8 kg?
Solution: Per kg = 45. 8 kg = ₹360.
Answer: ₹360
Q5: LCM HCF product
Problem: Two numbers have HCF 12 and LCM 180. If one number is 36, find the other.
Solution: Product of numbers = HCF × LCM. 36 × other = 12 × 180 = 2160. Other = 2160 / 36 = 60.
Answer: 60
Q6: Consumption cut
Problem: If the price of an item rises by 25%, by what percent should consumption fall so that expenditure stays the same?
Solution: Required reduction = r/(100+r) × 100 with r = 25. = 25/125 × 100 = 20%.
Answer: 20%
Q7: Consecutive integers
Problem: If the sum of three consecutive integers is 72, what is the smallest of these integers?
Solution: Let the integers be x, x+1, and x+2.
x + (x+1) + (x+2) = 72 3x + 3 = 72 3x = 69 x = 23
So the integers are 23, 24, and 25.
Answer: 23
Q8: Percentage of percentage
Problem: What is 15% of 20% of 400?
Solution: 20% of 400 = 80. 15% of 80 = 12.
Answer: 12
Q9: Square garden path
Problem: A square park of side 40 m has a 2 m wide path outside. Area of the path?
Solution: Outer side = 44. Outer area = 1936. Inner = 1600. Path = 336 m².
Answer: 336 m²
Q10: Algebra ages
Problem: Father is 3 times as old as son. After 12 years he will be twice as old. Son’s present age?
Solution: 3x + 12 = 2(x + 12) → 3x + 12 = 2x + 24 → x = 12.
Answer: 12 years
Verbal ability questions
Q11: Synonym - abundant
Problem: Choose the best synonym of ‘abundant’.
Solution: ‘Abundant’ means present in large quantity. Closest match: plentiful.
Answer: Plentiful
Q12: Idiom - piece of cake
Problem: What does ‘a piece of cake’ mean?
Solution: It means something very easy.
Answer: Very easy
Q13: Synonym - mitigate
Problem: Choose the best synonym of ‘mitigate’.
Solution: ‘Mitigate’ means to make less severe. Closest match: alleviate.
Answer: Alleviate
Q14: Antonym - benevolent
Problem: Choose the best antonym of ‘benevolent’.
Solution: ‘Benevolent’ means kind or well-meaning. Opposite: malevolent.
Answer: Malevolent
Q15: Fill in the blank
Problem: She _____ to the office every day by metro. (go / goes / going / gone)
Solution: Third-person singular present needs ‘goes’.
Answer: goes
Q16: Spelling
Problem: Which spelling is correct: Acommodate / Accommodate / Acomodate / Accomodate?
Solution: Correct spelling has two c’s and two m’s: Accommodate.
Answer: Accommodate
Reasoning ability questions
Q17: Series alternate
Problem: Find next: 2, 3, 5, 8, 12, ?
Solution: Differences +1,+2,+3,+4,+5 → next diff 5 → 17.
Answer: 17
Q18: Odd one out
Problem: Find the odd one out: 3, 5, 7, 9, 11
Solution: 3, 5, 7, and 11 are prime. 9 = 3×3 is composite, so it is the odd one out.
Answer: 9
Q19: Coding letter shift
Problem: If CAT is coded as DBU, how is DOG coded in the same way?
Solution: Each letter moves +1 in the alphabet: C→D, A→B, T→U. D→E, O→P, G→H → EPH.
Answer: EPH
Q20: Blood relation
Problem: Pointing to a photograph, Ravi says, ‘She is the daughter of my mother’s only son.’ How is the girl related to Ravi?
Solution: Ravi’s mother’s only son is Ravi himself (assuming one son). The girl is therefore Ravi’s daughter.
Answer: Daughter
Q21: Syllogism
Problem: Statements: All engineers are graduates. Some graduates are managers. Conclusion: Some engineers are managers. Does it follow?
Solution: The ‘some graduates’ who are managers need not overlap with the engineers. The conclusion does not follow necessarily.
Answer: Does not follow
Q22: Direction turn
Problem: A person walks 5 km north, then 3 km east, then 5 km south. How far is he from the start, and in which direction?
Solution: North 5 and south 5 cancel. He is 3 km east of the start.
Answer: 3 km east
Timed practice tips for Morgan Stanley
- 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

