Quantitative Aptitude - Arithmetic Ability Questions

Q:

The value of x for which the expressions 15x + 4 and 13x - 2 become equal is ______

A) -1 B) 1
C) -3 D) 3
 
Answer & Explanation Answer: C) -3

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Q:

Find the value of x if 1-x24 = 1318

A) 155 B) 157
C) 159 D) 161
 
Answer & Explanation Answer: A) 155

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Q:

If the value of √30  is approximately 5.477, then what is the approximate value of 56 ?

A) 0.853 B) 0.891
C) 0.913 D) 0.937
 
Answer & Explanation Answer: C) 0.913

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Q:

What is the value of xy if x - y = 3 and x2+y2=15?

A) 1 B) 3
C) 5 D) 7
 
Answer & Explanation Answer: B) 3

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Q:

What is the value of (1 + cotA)2 + (1 -­ cotA)2?

A) 2cosec2A B) 2sec2A
C) 1 -­ 2cosec2A D) 1 -­ 2sec2A
 
Answer & Explanation Answer: A) 2cosec2A

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Q:

What is the equation of a line of slope 1/3 and y-intercept 5?

A) x - 3y = -15 B) x - 3y = 15
C) x + 3y = -15 D) x + 3y = 15
 
Answer & Explanation Answer: A) x - 3y = -15

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Q:

The mean of the data 2, 9, 9, 3, 6, 9, 4 is

A) 33/7 B) 6
C) 43/7 D) 7
 
Answer & Explanation Answer: B) 6

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Q:

Select the odd word/letters/number/number pair from the given alternatives.

A) 65 B) 74
C) 83 D) 92
 
Answer & Explanation Answer: C) 83

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