Aptitude and Reasoning Questions

Q:

What is the common ratio of the following geometric sequence?

4, 2, 1, 0.5, 0.25, 0.125,...

A) 0.5 B) -1
C) 1.5 D) -0.5
 
Answer & Explanation Answer: A) 0.5

Explanation:

In mathematics, a geometric progression, also known as a geometric sequence, is a sequence of numbers where each term after the first is found by multiplying the previous one by a fixed, non-zero number called the common ratio.

 

Herein the given sequence, 4, 2, 1, 0.5, 0.25, 0.125,...

Common Ratio r = 2/4 = 1/2 = 0.5/1 = 0.25/0.5 = 0.125/0.25 == 0.5.

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Filed Under: Problems on Numbers
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Q:

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

 

17 : 493 : : ? : 551

A) 13 B) 21
C) 19 D) 23
 
Answer & Explanation Answer: C) 19

Explanation:
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Filed Under: Analogy
Exam Prep: Bank Exams

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Q:

One morning after sunrise, Suresh was standing facing a pole. The shadow of the pole fell exactly to his right. To which direction was he facing?

A) East B) West
C) South D) Data is inadequate
 
Answer & Explanation Answer: C) South

Explanation:

Sun rises in the east in the morning. Since the shadow of Suresh falls to his right. So he is facing South.

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Filed Under: Direction Sense Test

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Q:

What should come in place of the question mark (?) in the following number series?

8, 6, 9, 23, ?

A) 53 B) 145
C) 110 D) 75
 
Answer & Explanation Answer:

Explanation:

Given number 8, 6, 9, 23, ?

 

The pattern of given series is:

 

8 x 1 - 2 = 6 6 x 2 - 3 = 9 9 x3 - 4 = 23 23 x4 - 5 = 87

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Filed Under: Number Series

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Q:

The perimeter of a square is 26 cm. Find its area (in cm2).

 

A) 42.25   B) 84.5  
C) 39.25   D) 78.5
 
Answer & Explanation Answer: A) 42.25  

Explanation:
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Filed Under: Area
Exam Prep: Bank Exams

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Q:

Arrange the given words in the sequence in which they occur in the dictionary.

1. Telephone

2. Teleworker

3. Tendency

4. Temperature

5. Themselves

 

A) 34521 B) 42153
C) 52314 D) 12435
 
Answer & Explanation Answer: D) 12435

Explanation:
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Filed Under: Alphabet Test
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Q:

The age of a man is 4 times of his son. Five years ago, the man was nine times old as his son was at that time. The present age of man is?

Answer

Let the son's age be x years and the father's age be 4x years 



       5x = 40


        x = 8


\inline \therefore present age of the father = \inline 4x = \inline 4\times 8 = 32 years

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Subject: Problems on Ages

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Q:

If 20#4 = -5, 50#25 = -2 and 80#16 = -5, then find the value of 10#2 = ?

 

A) -30 B) -40
C) -20 D) -5
 
Answer & Explanation Answer: D) -5

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

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