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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

Solve the following.

 

-4 - (-7 - 12 / 4) = ?

A) -2 B) 6
C) 0.75 D) -14
 
Answer & Explanation Answer: B) 6

Explanation:
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Q:

What will be the value of that smallest positive integer N, such that 294N is an integer?

 

A) 2 B) 4
C) 6 D) 8
 
Answer & Explanation Answer: C) 6

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Q:

What is the total length intercepted between both the axes by the line 8x+4y=40?

 

A) 5   B)  10  
C)  15   D)  20
 
Answer & Explanation Answer: C)  15  

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Filed Under: Area
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Q:

Find the Next Number in the given number series?

3, 10.5, 36.75, 128.625, ?

A) 450.187 B) 442.151
C) 441.231 D) 456.852
 
Answer & Explanation Answer: A) 450.187

Explanation:

Pattern is

      • 3
      • 3 x 3.5 = 10.5
      • 10.5 x 3.5 = 36.75
      • 36.75 x 3.5 = 128.625
      • 128.625 x 3.5 = 450.187
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Q:

Select the figure which does not belong to the group:

 

 

 

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

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Q:

The mean of 50 observations was 36. It was found later that an observation 48 was wrongly taken as 23. The corrected new mean is :

A) 35 B) 36.5
C) 40 D) 42
 
Answer & Explanation Answer: B) 36.5

Explanation:

Correct Sum = (36 * 50 + 48 - 23) = 1825.

Correct mean = = 1825/50 = 36.5

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Q:

What is the value of (sin45 - √3) ?

 

A) (1-√6)/√2   B) (4-√3)/2√3  
C) -1/2√3   D) (2-√3)/2√3
 
Answer & Explanation Answer: A) (1-√6)/√2  

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Q:

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

52x14+145018=1998÷?

A) 18.25 B) 19.98
C) 34.58 D) 65.25
 
Answer & Explanation Answer: B) 19.98

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Filed Under: Quantitative Aptitude - Arithmetic Ability
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