Aptitude and Reasoning Questions

Q:

Select the related word/letters/number from the given alternatives.

IJ : PR : : ? : SU

A) IJ B) LM
C) EF D) LI
 
Answer & Explanation Answer: B) LM

Explanation:
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Filed Under: Analogy
Exam Prep: AIEEE , Bank Exams , CAT

0 62537
Q:

If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?

A) 1 B) 3
C) 7 D) 14
 
Answer & Explanation Answer: C) 7

Explanation:

Let the required number days be x.

Less spiders, More days (Indirect Proportion)

Less webs, Less days (Direct Proportion)

 Spiders1:7Webs7:1 7:x 

=> 1 * 7 * x = 7 * 1 * 7 

=> x= 7

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Filed Under: Chain Rule

108 62524
Q:

If 60#40 = 10, 40#20 = 6 and 60#90 = 15, then find the value of 40#30 = ?

 

A) 15 B)  12
C) 18 D)  7
 
Answer & Explanation Answer: D)  7

Explanation:
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Filed Under: Coding and Decoding
Exam Prep: Bank Exams

15 62498
Q:

Grass : Erosion :: Dam : ?

A) Water B) Freeze
C) Current D) Rain
 
Answer & Explanation Answer: A) Water

Explanation:

Here Grass is to Erosion and whereas Dam is to Water.

Since Grass prevents Erosion similarly Dam prevents Water flow.

 

Hence, Grass : Erosion :: Dam : Water.

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Filed Under: Analogy
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187 62342
Q:

Which of the following terms follows the trend of the given list?

 

BAAAAAAB, ABAAAAAB, AABAAAAB, AAABAAAB, AAAABAAB, _______________.

 

A) AAAAABAB   B) AAAAAABB  
C) BAAAAAAB   D) ABAAAAAB
 
Answer & Explanation Answer: A) AAAAABAB  

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 62305
Q:

Choose the correct alternative that will replace the question mark in the given series

DHL, PTX, BFJ, ?

A) KOS B)  NRV
C) NPS D) NRU
 
Answer & Explanation Answer: B)  NRV

Explanation:
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Filed Under: Alphabet Test
Exam Prep: Bank Exams

1 62271
Q:

 (3x + 2) (2x - 5) = ax² + kx + n .

What is the value of a - n + k ?

A) 5 B) 8
C) 9 D) 10
 
Answer & Explanation Answer: A) 5

Explanation:

This is a quadratic equation. To find n we multiply the last terms in each bracket together (2 times -5) = -10

To find ‘a’ we multiply the first terms in each bracket together (3x times 2x) = 6x2, So a = 6.

Thus a - n = 16

To find k we multiply the first term in the first bracket by the second term in the second bracket and add the result to the product of the second term in the first bracket and the first term in the second. (-15x + 4x) = -11x. So k = -11

16 - 11 = 5

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Filed Under: Problems on Numbers
Exam Prep: GRE

7 62092
Q:

The ratio between the perimeter and the breadth of a rectangle is 5 : 1. If the area of the rectangle is 216 sq. cm, what is the length of the rectangle?

A) 16 B) 18
C) 20 D) 22
 
Answer & Explanation Answer: B) 18

Explanation:

2l+bb=51      => 2l + 2b = 5b     => 3b = 2l 

b=(2/3)l

 

Then, Area = 216 cm2 

=> l x b = 216     => l x (2/3)l =216 

l = 18 cm.

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Filed Under: Area
Exam Prep: Bank Exams
Job Role: Bank PO

50 62016