Prep Guide
Plan
CGI aptitude questions
Overview
Section titled “Overview”Practice CGI aptitude questions for CGI Online Assessment.
CGI 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
All roses are flowers. Some flowers fade quickly. Conclusion: All roses fade quickly.
Only some flowers.
Quantitative
The average of 5 numbers is 20. If one number is removed, the average becomes 18. Find the removed number.
Correct answer: 28
Reasoning
In a row of 50 students, A is 15th from the left. Rank from the right is:
From right = 50-15+1 = 36.
Verbal
Antonym of "Arrival":
Arrival ↔ departure.
Verbal
The idiom "once in a blue moon" means:
It means something that happens very rarely.
Quantitative
A 120 m train crosses a pole in 8 s. Speed in km/h is:
Speed = 120/8 = 15 m/s = 54 km/h.
Quantitative
The sum of the ages of a father and his son is 60 years. If the father's age is four times that of his son, what are their current ages?
Let son's age = x years Father's age = 4x years x + 4x = 60 5x = 60 x = 12 Son's age = 12 years Father's age = 48 years
Verbal
The company's profits have been _____ steadily over the past year.
Correct answer: declining
Reasoning
Odd one out: Triangle, Square, Circle, Rectangle
Circle has no straight sides.
Reasoning
Pointing to a photograph, Ravi said, "He is the son of my grandfather's only son." The boy is Ravi's:
Grandfather's only son is Ravi's father → the boy is Ravi's brother.
Reasoning
Statements: 1) Some boxes are cars, 2) Some cars are roads Conclusions: I) Some roads are boxes, II) Some cars are boxes, III) No box is a road, IV) Some roads are cars.
Correct answer: Only II and IV follow
Quantitative
A and B can complete a work in 20 days and 30 days respectively. If they work together, in how many days will they complete the work?
Correct answer: 12 days
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.
Verbal
Synonym of "Crucial":
Crucial means important.
Quantitative
Five friends A, B, C, D, E are sitting in a row. A is not at either end. B is to the immediate right of A. C is at one end. D is between C and E. Who is sitting in the middle?
C is at one end. D is between C and E, so arrangement: C-D-E or E-D-C A is not at end, B is right of A If C-D-E, then A-B must be before C: 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
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Question 2
Section titled “Question 2”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 3
Section titled “Question 3”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Question 4
Section titled “Question 4”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 5
Section titled “Question 5”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 6
Section titled “Question 6”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 7
Section titled “Question 7”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 8
Section titled “Question 8”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 9
Section titled “Question 9”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Question 10
Section titled “Question 10”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Extra Drill Set (CGI flavor)
Section titled “Extra Drill Set (CGI flavor)”Q17: A finishes work in 18 days, B in 16 days. Days together?
Rate = 1/18 + 1/16. Days = reciprocal of that sum.
Answer: compute exactly before the exam; practice the fraction form daily.
Q18: Price increases by 12%. Consumption reduction to keep spend constant?
Reduction % = r/(100+r)×100 with r=12.
Answer: 12/(100+12)×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
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