Quantitative Aptitude - Arithmetic Ability Questions

Q:

Find the area (in sq.cm) of a semi-circle of radius 7 cm

A) 154 B) 21
C) 42 D) 77
 
Answer & Explanation Answer: D) 77

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Filed Under: Area
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Q:

What is the measure of an interior angle of a regular polygon of 10 sides?

A) 150 B) 156
C) 144 D) 160
 
Answer & Explanation Answer: C) 144

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Filed Under: Area
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Q:

If 4x - 5y = -37 and 7x + y = -16, then x - y = ______

A) -8 B) 8
C) 2 D) -2
 
Answer & Explanation Answer: A) -8

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Q:

In the following question, select the missing number from the given series.1 108, 81, 54, 27, ?

A) -1 B) -5
C) 0 D) 2
 
Answer & Explanation Answer: C) 0

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Q:

What is the ratio of simple interest earned on certain amount at the rate of 12% for 6 years and that for 12 years?

A) 1:2 B) 2:3
C) 3:4 D) 4:5
 
Answer & Explanation Answer: A) 1:2

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Filed Under: Simple Interest
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Q:

What is the value of (sinA -­ 2sin3A)/(2cos3A -­ cosA)?

A) cotA B) cosecA
C) secA D) tanA
 
Answer & Explanation Answer: D) tanA

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Filed Under: Simplification
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Q:

What is the value of (2 - sin30°) ?

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

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Q:

In the following question, select the odd letter pair from the given alternatives.

A) BN – P B) GI – R
C) LM – Y D) TA – U
 
Answer & Explanation Answer: B) GI – R

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Filed Under: Odd Man Out
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