Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of (1/√3 - sin45)?

 

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

Explanation:
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Q:

Pick the odd man out of the folowing number sequence?

123 112 133 112 143

A) 143 B) 122
C) 133 D) 112
 
Answer & Explanation Answer: B) 122

Explanation:

Here the given series is 123 112 133 112 143

It follows a pattern that,

123

123 - 11 = 112

112 + 21 = 133

133 - 31 = 102 (not 122)

102 + 41 = 143

 

Hence, the odd man in the given number sequence is 122 instead of 102.

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Q:

133of 166of133of166 of 10000 of a number will be what percentage of that number?

 

A)  2.32 B)  1.32
C)  0.232 D) 0.0232
 
Answer & Explanation Answer: A)  2.32

Explanation:
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Q:

Correct expression of 0.12636¯ = ?

 

A) 139/1100 B) 126 361000
C) 1392200 D) 1263610000
 
Answer & Explanation Answer: A) 139/1100

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Q:

9 17 11 19 13

What Are The Next Three Numbers In The Given Number Series?

A) 17, 10, 18 B) 19, 14, 23
C) 21, 15, 23 D) 19, 13, 22
 
Answer & Explanation Answer: C) 21, 15, 23

Explanation:

Given number series is 9 17 11 19 13 

Here the pattern is

      • 9
      • 9 + 8 = 17
      • 17 - 6 = 11
      • 11 + 8 = 19
      • 19 - 6 = 13
      • 13 + 8 = 21
      • 21 - 6 = 15
      • 15 + 8 = 23
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Q:

Compute of 29292 x 9999 = ?

 

 

A) 222890708  B) 298290708 
C) 292809708  D) 292890708
 
Answer & Explanation Answer: D) 292890708

Explanation:
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Q:

The ratio of the cost price and selling price of a shirt is 32 : 37. What is the profit percentage?

 

A) 15.63 B)  13.51
C) 17.21 D) 14.44
 
Answer & Explanation Answer: A) 15.63

Explanation:
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Q:

Find the odd one out of the series ?

35, 48, 54, 63, 81, 105

A) 63 B) 48
C) 35 D) 81
 
Answer & Explanation Answer: C) 35

Explanation:

48, 54, 63, 81 and 105 are divisible by 3 but not 35.

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