Aptitude and Reasoning Questions

Q:

Mahesh rows to the place 80 km away and back in 20 hours. He finds that he can row 8 km downstream in the same time as 4 km upstream. The speed of the boat in stillwater is

A) 9 kmph B) 7 kmph
C) 2 kmph D) 5 kmph
 
Answer & Explanation Answer: A) 9 kmph

Explanation:
If Mahesh moves 8 km downstream in X hours

Downstream speed = 8/X kmph

upstream speed = 4/X kmph

Now 80/(8/X) + 80/(4/X)=20

X=2/3

downstream Speed = 8/(2/3)= 12 kmph

upstream Speed = 4/(2/3)= 6 kmph

Rate of the stream = (12+6)/2= 9 kmph

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Filed Under: Boats and Streams
Exam Prep: Bank Exams

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Q:

Nirmit can do 2/3 of a job in 18 days. Kashish is twice as efficient as Nirmit. In how many days Kashish will complete the job?

A) 29/4 B) 27/2
C) 31/2 D) 13/2
 
Answer & Explanation Answer: B) 27/2

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

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Q:

Choose the correct analogous word pair from the given alternatives. Carpenter : Hammer

A) Computer : Writer B) Crane : Builder
C) Axe : Logger D) Plumber : Wrench
 
Answer & Explanation Answer: D) Plumber : Wrench

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

3 divided by 1/3?

A) 1 B) 0
C) 9 D) None
 
Answer & Explanation Answer: C) 9

Explanation:

3 divided by 1/3

=> 313

= 3 x 3/1 

= 9

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

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Q:

P and Q invested some money in a business in the ratio of 4 : 7 respectively. After 6 months P withdraws his capital. If they receive profits in the ratio of 4 :21, then for how many months did Q invest in the business?

A) 12 B) 15
C) 18 D) 21
 
Answer & Explanation Answer: C) 18

Explanation:
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Filed Under: Partnership
Exam Prep: Bank Exams , CAT

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Q:

The only brother of Ankit is the brother­in­law of Shweta. How Shweta is related to Ankit?

A) Wife B) Sister
C) Mother D) Aunt
 
Answer & Explanation Answer: A) Wife

Explanation:
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Filed Under: Blood Relations
Exam Prep: Bank Exams

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Q:

The price of a movie ticket was increased in the ratio 9 : 10. What is the increase in the revenue (in Rs.) of the cinema hall, if the original fare was Rs 180 and 2200 tickets were sold.

A) 44000 B) 440000
C) 39600 D) 396000
 
Answer & Explanation Answer: A) 44000

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

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Q:

Multiplicative inverse of 7?

A) 1 B) -1/7
C) 0 D) 1/7
 
Answer & Explanation Answer: D) 1/7

Explanation:

Multiplicative inverse is nothing but a reciprocal of a number. 

It is defined as one of a pair of numbers that when multiplied with another number equals the number 1.

Multiplicative inverse or reciprocal of 7 is 

7 x n = 1

=> n = 1/7.

 

Hence, Multiplicative inverse or reciprocal of 7 is  1/7.

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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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