Quantitative Aptitude - Arithmetic Ability Questions

Q:

Which of the numbers given below is the square root of 15376?

A) 122 B) 124
C) 134 D) 128
 
Answer & Explanation Answer: B) 124

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Filed Under: Square Roots and Cube Roots
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Q:

In the following pair of words, pick the odd pair which is odd from the others?

A) Hydrogen : Sulphuric Acid B) Chlorine : Salt
C) Oxygen : Water D) Nitrogen : Hydrochloric Acid
 
Answer & Explanation Answer: D) Nitrogen : Hydrochloric Acid

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Filed Under: Odd Man Out
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Q:

What is the value of Sec 30° + Tan 60°?

A) 5/√3 B) (√6 + 1)/√3
C) (√3 + 2)/√3 D) (1 + √3)/2
 
Answer & Explanation Answer: A) 5/√3

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Filed Under: Simplification
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Q:

If secA + tanA = a, then the value of cosA is

A) a2+12a B) 2aa2+1
C) a2-12a D) 2aa2-1
 
Answer & Explanation Answer: B) 2aa2+1

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Q:

If Sin4A - Cos4A = 1 then (A/2) in degrees is 0° < A  90°

 

A) 60 B) 45
C) 40 D) 30
 
Answer & Explanation Answer: B) 45

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Q:

129 meter from the foot of a cliff on level of ground, the angle of elevation of the top of a cliff is 30°. The height of this cliff is

A) 50√3 metre B) 45√3 metre
C) 43√3 metre D) 47√3 metre
 
Answer & Explanation Answer: C) 43√3 metre

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Filed Under: Height and Distance
Exam Prep: Bank Exams

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Q:

If (1 + cosA)/(1 - cosA) = x, then x is

A) cot2A/(secA - 1)2 B) cot2A/(secA + 1)2
C) tan2A/(secA + 1)2 D) tan2A/(secA - 1)2
 
Answer & Explanation Answer: D) tan2A/(secA - 1)2

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Filed Under: Simplification
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Q:

Find the odd word/letters/number from the given alternatives.

A) CBED B) JILK
C) TSVU D) VZXY
 
Answer & Explanation Answer: D) VZXY

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Filed Under: Odd Man Out
Exam Prep: Bank Exams

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