Aptitude and Reasoning Questions

Q:

Three friends J, K and L jog around a circular stadium and complete one round in 12, 18 and 20 seconds respectively. In how many minutes will all the three meet again at the starting point.

A) 5 B) 8
C) 12 D) 3
 
Answer & Explanation Answer: D) 3

Explanation:

All the three friends will meet at the starting point again after X seconds, such that X is the LCM of the times taken by J, K and L to complete one round.

=> LCM of 12, 18 and 20 = 180 seconds = 3 minutes.

Hence 3 minutes is the answer.

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Filed Under: HCF and LCM

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Q:

Two angles whose sum is 90 are

A) Supplementary angles B) corresponding angles
C) Complimentary angles D) Alternate angles
 
Answer & Explanation Answer: C) Complimentary angles

Explanation:

Complimentary angles are those two angles whose sum is 90 whereas two angles whose sum is 180 are called Supplementary angles.

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Filed Under: Arithmetical Reasoning
Exam Prep: AIEEE , Bank Exams , CAT , GATE
Job Role: Analyst , Bank Clerk , Bank PO

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Q:

A is thrice as productive as C. Together they can complete a job in 22.5 days. If B joins them after they have worked for 15 days then in how many days can they finish the rest of the job if B alone can do the job in 15 days?

A) 6 B) 3
C) 9 D) 2
 
Answer & Explanation Answer: B) 3

Explanation:
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Filed Under: Time and Work
Exam Prep: Bank Exams

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Q:

Find out the odd word/letters/number/number pair from the given alternatives.

A) POR B) MEF
C) TUD D) STD
 
Answer & Explanation Answer: D) STD

Explanation:
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Filed Under: Odd Man Out
Exam Prep: Bank Exams , CAT

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Q:

(91 + 92 + 93 + ......... +110) is equal to

A) 4020 B) 2010
C) 6030 D) 8040
 
Answer & Explanation Answer: B) 2010

Explanation:
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Filed Under: Problems on Numbers
Exam Prep: Bank Exams

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Q:

0.09% of 25% of 1200 is equal to____________.

A) 0.27 B) 2.7
C) 27 D) 270
 
Answer & Explanation Answer: A) 0.27

Explanation:
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Filed Under: Percentage
Exam Prep: Bank Exams

1 2266
Q:

If 6A = 7B = 5C; find A : B : C

A) 42:30:35 B) 30:35:42
C) 5:7:6 D) 35:30:42
 
Answer & Explanation Answer: D) 35:30:42

Explanation:
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Filed Under: Ratios and Proportions
Exam Prep: Bank Exams

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Q:

Average of 11 numbers is 7. If every number is doubled, then what will be the new average of the numbers?

A) 3.5 B) 7
C) 10.5 D) 14
 
Answer & Explanation Answer: D) 14

Explanation:
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Filed Under: Average
Exam Prep: Bank Exams

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