Prep Guide
Plan
ABB aptitude questions
Overview
Section titled “Overview”Practice ABB aptitude questions for ABB Online Test.
ABB 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 can complete a work in 12 days, B in 15 days, and C in 20 days. If they work together, in how many days will they complete the work?
Let total work = LCM of 12, 15, 20 = 60 units A's efficiency = 60/12 = 5 units/day B's efficiency = 60/15 = 4 units/day C's efficiency = 60/20 = 3 units/day Combined efficiency = 5 + 4 + 3 = 12 units/day Time taken = 60/12 = 5 days
Quantitative
If all roses are flowers, and some flowers are red, which must be true?
From "all roses are flowers" and "some flowers are red", we cannot conclude about roses being red. But "some red things are flowers" must be true.
Quantitative
Convert to passive voice: "The teacher explained the lesson."
Passive voice: "The lesson was explained by the teacher."
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
Verbal
Antonym of "Optimistic":
Optimistic ↔ pessimistic.
Quantitative
Select 3 people from 10 for a committee. How many ways?
Correct answer: C(10,3) = 10!/(3!×7!) = 120
Quantitative
The average age of a class of 30 students is 20 years. If the teacher's age is included, the average becomes 21 years. Find the teacher's age.
Correct answer: 51 years
Verbal
Problem: "She is allergic _____ peanuts." a) to b) from c) with d) by
"Allergic to" is the correct prepositional phrase.
Reasoning
Odd one out: 8, 27, 64, 100, 125
Others are perfect cubes; 100 is not.
Reasoning
Find the next number: 2, 5, 11, 23, 47, ?
Pattern: Each number = previous × 2 + 1 2×2+1=5, 5×2+1=11, 11×2+1=23, 23×2+1=47 Next: 47×2+1 = 95
Verbal
Antonym of "Benevolent":
Benevolent ↔ malevolent.
Verbal
Find the synonym of "Benevolent".
Correct answer: Kind
Quantitative
A team can process loan applications in 10 days. Another team can do it in 15 days. How long if they work together?
Correct answer: 6 days
Reasoning
Find the next number: 1, 8, 27, 64, 125, ?
Correct answer: 216
Reasoning
If every letter is shifted +2 in the alphabet, CODE becomes:
Each letter +2 → EQFG.
Your score
0/15(0%)
Review
Question 1
Section titled “Question 1”Simple interest on Rs.8000 at 10% for 2 years?
Answer: Rs.1600
Explanation: SI = PRT/100 = 1600.
Question 2
Section titled “Question 2”If 30% of x = 150, x = ?
Answer: 500
Explanation: 0.3x=150 => x=500.
Question 3
Section titled “Question 3”Average of 5 numbers is 20. One number 30 replaced by 10. New average?
Answer: 16
Explanation: Sum 100 -> 80; avg 16.
Question 4
Section titled “Question 4”A finishes in 10 days, B in 15. Together?
Answer: 6 days
Explanation: 1/10+1/15=1/6.
Question 5
Section titled “Question 5”Probability of drawing an ace from a deck?
Answer: 1/13
Explanation: 4/52=1/13.
Question 6
Section titled “Question 6”Pipe A fills in 6h, B in 8h. Together to fill?
Answer: 24/7 hours
Explanation: 1/6+1/8=7/24.
Question 7
Section titled “Question 7”CP Rs.500, SP Rs.600. Profit percent?
Answer: 20%
Explanation: (100/500)*100=20%.
Question 8
Section titled “Question 8”Find next: 2, 6, 12, 20, 30, ?
Answer: 42
Explanation: n(n+1) pattern.
Question 9
Section titled “Question 9”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 10
Section titled “Question 10”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.
Extra Drill Set (ABB flavor)
Section titled “Extra Drill Set (ABB flavor)”Q17: A finishes work in 16 days, B in 17 days. Days together?
Rate = 1/16 + 1/17. 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
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