Preparation guide
Synopsys Aptitude Questions
Overview
This page has Synopsys aptitude questions with full solutions - numerical ability, verbal, and logical reasoning - in the style students report for the Synopsys Online Test. Start with the timed mock quiz, then work the solved set and log every miss by topic.
Synopsys 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 student scored 60, 70, and 80 in three subjects. If the weights are 2, 3, and 5 respectively, find the weighted average.
Correct answer: 73
Reasoning
Find the missing number: 5, 11, 23, 47, 95, ?
Correct answer: 191
Quantitative
A sum doubles in 5 years at simple interest. The rate of interest is:
For doubling, RT = 100 → R = 100/5 = 20%.
Reasoning
A walks 9 km north, then 12 km east. Distance from start is:
Right triangle → 15 km.
Quantitative
Find the remainder when 2^31 is divided by 5.
Pattern of 2^n mod 5: 2^1=2, 2^2=4, 2^3=3, 2^4=1, 2^5=2 (cycle repeats every 4) 31 mod 4 = 3 So 2^31 mod 5 = 2^3 mod 5 = 3
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
Verbal
Choose the correctly spelled word:
Correct spelling is Accommodation.
Reasoning
If every letter is shifted +2 in the alphabet, BOOK becomes:
Each letter +2 → DQQM.
Reasoning
Statements: All cats are animals. Some animals are dogs. Conclusions: I. Some cats are dogs. II. All dogs are cats.
Analyzing the statements: - All cats are animals (A → B) - Some animals are dogs (B → C, some) Conclusion I: Some cats are dogs - Cannot be concluded. Some animals are dogs, but cats are a subset of animals. We cannot say some cats are dogs. Invalid Conclusion
Reasoning
Find the next number: 8, 6, 9, 7, 10, ?
−2,+3 alternating → 10-2=8 → 8.
Verbal
Synonym of "Abundant":
Abundant means plentiful.
Verbal
The idiom "under the weather" means:
It means: feeling ill.
Quantitative
Price rises by 25%. By what % should consumption fall to keep expenditure the same?
Reduction = 25/(100+25)×100 = 20%.
Quantitative
The LCM of 12 and 18 is:
LCM(12,18) = 36.
Verbal
Each of the boys _____ given a prize.
"Each" takes singular verb → was.
Your score
0/15(0%)
Review
Synopsys 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: Average of averages
Problem: Average of 10 numbers is 25. Average of first 6 is 20. Average of last 4?
Solution: Total = 250. First 6 sum = 120. Last 4 sum = 130. Average = 130/4 = 32.5.
Answer: 32.5
Q2: Profit on a pen
Problem: If the cost price of a pen is ₹40 and it is sold at a 25% profit, what is the selling price?
Solution: Profit = 25% of 40 = ₹10. Selling price = 40 + 10 = ₹50.
Or SP = CP × 1.25 = 40 × 1.25 = ₹50.
Answer: ₹50
Q3: 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
Q4: Profit false weight
Problem: A seller uses 900 g weight for 1 kg and sells at cost price. Profit %?
Solution: Buys 900, sells as 1000 at CP. Profit = 100/900 × 100 ≈ 11.11%.
Answer: 11.11%
Q5: Average after replace
Problem: The average of five numbers is 20. One number 30 is replaced by 10. What is the new average?
Solution: Old sum = 5 × 20 = 100. New sum = 100 − 30 + 10 = 80. New average = 80 / 5 = 16.
Answer: 16
Q6: Work efficiency
Problem: A is twice as efficient as B. Together they finish in 12 days. How many days does A alone need?
Solution: Let B = x days, A = x/2. 1/(x/2) + 1/x = 1/12 → 2/x + 1/x = 1/12 → 3/x = 1/12 → x = 36. A alone = 18 days.
Answer: 18 days
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: SI three years
Problem: Find simple interest on ₹5000 at 8% per annum for 3 years.
Solution: SI = 5000 × 8 × 3 / 100 = ₹1200.
Answer: ₹1200
Q9: Pipe empty
Problem: A pipe fills in 8 hours; a leak empties in 12. Time to fill with both open?
Solution: Rate = 1/8 − 1/12 = 1/24. Time = 24 hours.
Answer: 24 hours
Q10: Simple interest
Problem: Find the simple interest on ₹8000 at 10% per annum for 2 years.
Solution: SI = (P × R × T) / 100 = (8000 × 10 × 2) / 100 = ₹1600.
Answer: ₹1600
Verbal ability questions
Q11: 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
Q12: Antonym - scarce
Problem: Choose the best antonym of ‘scarce’.
Solution: ‘Scarce’ means in short supply. Opposite: abundant.
Answer: Abundant
Q13: One word - extinct
Problem: A species that no longer exists is?
Solution: Extinct.
Answer: Extinct
Q14: Synonym - abundant
Problem: Choose the best synonym of ‘abundant’.
Solution: ‘Abundant’ means present in large quantity. Closest match: plentiful.
Answer: Plentiful
Q15: One-word substitution
Problem: A person who speaks many languages is called a:
Solution: Polyglot.
Answer: Polyglot
Q16: Error spotting subject
Problem: Identify the error: The list of items are on the table.
Solution: ‘List’ is singular → ‘is’ not ‘are’.
Answer: are → is
Reasoning ability questions
Q17: Direction return
Problem: You walk 2 km east, 3 km south, 2 km west. How far from start?
Solution: East/west cancel; 3 km south from start.
Answer: 3 km south
Q18: Series alternate
Problem: Find next: 2, 3, 5, 8, 12, ?
Solution: Differences +1,+2,+3,+4,+5 → next diff 5 → 17.
Answer: 17
Q19: Syllogism some
Problem: All pens are books. Some books are desks. Conclusion: Some pens are desks?
Solution: No forced overlap between pens and desks. Does not follow.
Answer: Does not follow
Q20: Seating circular
Problem: Four people sit around a square table facing center. A sits opposite C. If B is left of A, who is right of C?
Solution: Opposite pairs A-C. B left of A means clockwise B. Right of C is B.
Answer: B
Q21: 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
Q22: Odd one shapes
Problem: Odd one out: Circle, Square, Triangle, Cube
Solution: Cube is 3D; others are 2D shapes.
Answer: Cube
Timed practice tips for Synopsys
- 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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