Aptitude and Reasoning Questions

Q:

Study the following diagram and answer questions based on it.

 

The colour preferences of children are given.

 

 

The ratio of children who like brown to those who like black is

A) 5/3 B) 1/2
C) 1 D) 5/6
 
Answer & Explanation Answer: D) 5/6

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

0 9072
Q:

The True discount on Rs1760 due after a certain time at 12% per annum is Rs160. The time after which it is due is?

A) 15months B) 5months
C) 12months D) 10months
 
Answer & Explanation Answer: D) 10months

Explanation:

P.W = Rs. (1760 - 160) = Rs.1600  

S.I on Rs.1600 at 12% is Rs. 160 

Time = (100 x 160)/(1600 x 12)  = 5/6 years = (5/6) x 12 months = 10 months

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Filed Under: True Discount

2 9065
Q:

If 25% of three-seventh of 26% of a number is 145.5, what is the number?

A) 4987 B) 5784
C) 5223 D) 4741
 
Answer & Explanation Answer: C) 5223

Explanation:

Given, 

 

25% of three-seventh of 26% of a number is 145.5

 

Let the required number be 'N'

 

i.e, 25100x37x26100xN = 145.5

 

N = 145.5x7x1000075x26

 

=> N = 5223.07

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Filed Under: Percentage
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9 9063
Q:

If  x = 1 - q and y = 2q + 1, then for what value of q, x is equal to y ?

A) 0 B) 1
C) -1 D) -2
 
Answer & Explanation Answer: A) 0

Explanation:

x = y  <=> 1 - q =  2q  + 1  <=> 3q  = 0 <=> q = 0.

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Filed Under: Simplification

8 9063
Q:

A laborer is engaged for 30 days on the condition that he receives Rs.25 for each day he works and is fined Rs.7.50 for each day is absent. He gets Rs.425 in all. For how many days was he absent ?

A) 10 days B) 14 days
C) 11 days D) 9 days
 
Answer & Explanation Answer: A) 10 days

Explanation:

For 30 days he receives

30 x 25 = 750
               

Actually he gets 425

Therefore, Fine is 750 - 425 =  325

 

=> No of days absent = 325/(25+7.50)= 10

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Filed Under: Time and Work
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5 9062
Q:

Find the number of ways in which 21 balls can be distributed among 3 persons such that each person does not receive less than 5 balls.

A) 28 B) 14
C) 21 D) 7
 
Answer & Explanation Answer: A) 28

Explanation:

Let x, y, z be the number of balls received by the three persons, then

  

x5, y5, z5 and x+y+z=21

 

Let u0, v0, w0 then

 

 x + y + z =21

 

 u + 5 + v + 5 + w + 5 = 21

 

 u + v + w = 6 

 

Total number of solutions = C3-16+3-1=C28=28

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18 9060
Q:

 

The given chart represents the sales of different companies in the year 1999 and 1998.

 


If the total sales in 1998 was 7890, which increased by 16.5% in 1999, then the total sales in the year 1999 is approximately ___.

 

A) 9191 B) 1919
C) 9119 D) 9911
 
Answer & Explanation Answer: A) 9191

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

0 9046
Q:

How many meshes are there in 1 squrare meter of wire gauge if each mesh is 8mm long and 5mm wide ?

A) 2500 B) 25000
C) 12500 D) 15400
 
Answer & Explanation Answer: B) 25000

Explanation:

We know that,

 

One square meter is equal to 10,00,000 sq mm.
Given, each mesh is 8mm length and 5mm wide
Therefore for each mesh : 8 x 5 = 40 sq mm.
So, number of meshes = 100000040 = 25000.

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Filed Under: Volume and Surface Area
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