Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the range of the data 9, 5, 9, 3, 4, 7, 8, 4, 8, 9, 5, 9.

 

A) 3 B) 5
C) 6 D) 4
 
Answer & Explanation Answer: C) 6

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5 50110
Q:

What is the value of 'x' in 23x - 527x + 108x = -21 ?

 

A) 0.33 B) 1
C) 3 D) 9
 
Answer & Explanation Answer: C) 3

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0 50061
Q:

A tank is 25m long 12m wide and 6m deep. The cost of plastering its walls and bottom at 75 paise per sq m is

A) Rs. 258 B) Rs. 358
C) Rs. 458 D) Rs. 558
 
Answer & Explanation Answer: D) Rs. 558

Explanation:

Area to be plastered = 2l+b×h+l×b 

=225+12×6+25×12=744sq.m 

Cost of plastering = 744×75100=Rs.558                       

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79 50053
Q:

Solve the following :

 

72 ÷ 12{15 + 12 - 9 + 6 - 5 + 7¯} = ?

 

A) 6 B) 9
C) 12 D) 8
 
Answer & Explanation Answer: A) 6

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1 50008
Q:

152, 124, 96, 69, 40

Find the odd man out?

A) 124 B) 96
C) 69 D) 40
 
Answer & Explanation Answer: C) 69

Explanation:

The given number series is 152, 124, 96, 69, 40

152

152 - 28 = 124

124 - 28 = 96

96 - 28 = 68 (not 69)

68 - 28 = 40

 

Hence, the odd man in the given number series is 69.

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13 49962
Q:

If the value of θ = 30°, then the value of tan2θ + cot2θ.

 

A) 1/3 B) 4/3
C) 9/3 D) 10/3
 
Answer & Explanation Answer: D) 10/3

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1 49900
Q:

If x32 - 1x16 = 5, then find the value of x96 - 1x48.

 

 

A) 40 B) 70
C) 140 D) 180
 
Answer & Explanation Answer: C) 140

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Q:

Assume 57 + 59 + 109 = 0, then find the value of 573 + 593 + 1093

 

A) 1099701 B) 1099601
C) 1099801 D) 1098701
 
Answer & Explanation Answer: A) 1099701

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0 49873