Aptitude and Reasoning Questions

Q:

Out of first 20 natural numbers, one number is selected at random. The probability that it is either an even number or a prime number is  ?

A) 16/19 B) 1
C) 3/2 D) 17/20
 
Answer & Explanation Answer: D) 17/20

Explanation:

n(S) = 20
n(Even no) = 10 = n(E)
n(Prime no) = 8 = n(P)
P(E U P) = 10/20 + 8/20 - 1/20 = 17/20

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Filed Under: Probability
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Job Role: Bank Clerk , Bank PO

15 14007
Q:

Refer the below data table and answer the question.

 

What percent of students who chose Engineering are girls?

A) 13.89 B) 21.74
C) 35.71 D) 27.78
 
Answer & Explanation Answer: B) 21.74

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

1 14003
Q:

In a 40 litre mixture of alcohol & water, the ratio of alcohol and water is 5 : 3. If 20% of this mixture is taken out and the same amount of water is added then what will be the ratio of alcohol and water in final mixture?

A) 1:1 B) 2:1
C) 3:1 D) 1:2
 
Answer & Explanation Answer: A) 1:1

Explanation:

Quantity of alohol in the mixture = 40 x 5/8 = 25 lit

Quantity of water = 40 - 25 = 15 lit

According to question,

Required ratio = 20 - 40 x 20100 x 5815 - 40 x 20100 x 38 + 40 x 20100 = 2015 - 3 + 8 = 1 : 1

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Filed Under: Alligation or Mixture
Exam Prep: AIEEE , Bank Exams , CAT , GATE
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27 14001
Q:

Refer the below data table and answer the following question.

What percent students who chose engineering are girls?

 

A) 33.33 B) 17.39
C) 66.67 D) 50
 
Answer & Explanation Answer: A) 33.33

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 13997
Q:

Choose the correct water image of the given figure?

 

 

 

A) B B) C
C) A D) D
 
Answer & Explanation Answer: B) C

Explanation:
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Filed Under: Image Analysis
Exam Prep: Bank Exams

0 13987
Q:

Refer the below data table and answer the following question.

If 400 calories are burned by jogging 5 km, how many calories were burnt in the given week?

A) 1410 calories B) 1360 calories
C) 1260 calories D) 1310 calories
 
Answer & Explanation Answer: B) 1360 calories

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 13985
Q:

Find the next number in the series 3, 4, 5, 5, 12, 13, 7, 24, 25, 8, 15, ...

A) 26 B) 16
C) 17 D) 18
 
Answer & Explanation Answer: C) 17

Explanation:

The pattern is 32+42=52,  52+122=13272+242=252 

The next number = 82+152=172

 i.e. 17

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Filed Under: Numbers
Exam Prep: CAT , Bank Exams
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27 13985
Q:

Refer the below data table and answer the following question.

Raw materials and Interest were what percent of total expenses?

A) B)
C) D)
 
Answer & Explanation Answer: D)

Explanation:
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Filed Under: Table Charts
Exam Prep: Bank Exams

0 13983