Aptitude and Reasoning Questions

Q:

Which of the following represents the sides of an acute angled triangle?

 

A) 6, 9, 16   B) 7, 8, 10  
C) 5, 12, 13   D) None of these
 
Answer & Explanation Answer: B) 7, 8, 10  

Explanation:
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Q:

The sum of the present ages of two persons A and B is 60. If the age of A is twice that of B, find the sum of their ages 5 years hence.

Answer

Given that, A+B = 60  and A = 2B.


Solving, We get A = 40, B = 20.


Five years their ages will be 45 and 25, so the sum of their ages will be 70.


 

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Subject: Problems on Ages

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Q:

Select the odd character out of the following series.

 

 

 

A) 1 B) 3
C) 4 D) 2
 
Answer & Explanation Answer: C) 4

Explanation:
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Q:

If the mathematical operator '/' means 'x', '+' means '-', 'x' means '+' and '-' means '/', then

 

24 + 48 - 12 x 4 / 2 = ?

A) 6 B) -6
C) 16 D) 28
 
Answer & Explanation Answer: D) 28

Explanation:
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Q:

The sum of three consecutive multiples of 3 is 72. What is the second largest number ?

A) 27 B) 24
C) 21 D) 42
 
Answer & Explanation Answer: B) 24

Explanation:

Let the numbers be 3x, 3x + 3 and 3x + 6.
Then,
3x + (3x + 3) + (3x + 6) = 72
9x = 63
x = 7
Largest number = 3x + 6 = 27.

=> Second largest number = 27 - 3 = 24

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Filed Under: Arithmetical Reasoning
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Q:

If Deepesh had walked 20 km/h faster he woulh have saved 1 hour in the distance of 60km. what is the usual speed of Deepesh?

A) 100 B) 120
C) 150 D) None of these
 
Answer & Explanation Answer: A) 100

Explanation:

Let the original speed  be x km/h, then

600x-600x+20=1 

 

600x+20-xxx+20=1  

 

x2+120x-12000=0

 

x-120x-100=0

 

Therefore,  original speed = 100km/h

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Filed Under: Time and Distance

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Q:

The following equation is incorrect. Which two signs should be interchanged to correct the equation?

 

14 + 18 x 40 - 10 ÷ 20 = 66

 

A) + and x B) + and ÷
C) - and + D) ÷ and -
 
Answer & Explanation Answer: D) ÷ and -

Explanation:
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Q:

The ratio of the area of a square to that of the square drawn on its diagonal is

A) 1:2 B) 2;3
C) 3:1 D) 4:1
 
Answer & Explanation Answer: A) 1:2

Explanation:

ratio = a22a2

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