Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of 2sec2A?

A) secA/(cosecA - ­1) + secA/(cosecA +1) B) cosecA/(secA -­1) + cosecA/(secA +1)
C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1) D) secA/(secA - ­1) + secA/(secA +1)
 
Answer & Explanation Answer: C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1)

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Q:

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

A) DEB B) RTP
C) HIF D) NOL
 
Answer & Explanation Answer: B) RTP

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Q:

By which least number should 5000 be divided so that it becomes a perfect square?

A) 2 B) 5
C) 10 D) 15
 
Answer & Explanation Answer: A) 2

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Q:

The areas of two similar triangles ΔXYZ and ΔPQR are 100 sq cms and 25 sq cms respectively. If PQ = 4 cm then what is the length of XY (in cm)?

A) 16 B) 14
C) 8 D) 20
 
Answer & Explanation Answer: C) 8

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Q:

Find the sum of interior angles of a dodecagon?

A) 1620° B) 1800°
C) 1440° D) 1260°
 
Answer & Explanation Answer: B) 1800°

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Q:

A sphere of radius 5 cm is melted to form a cone with base of same radius. The height (in cm) of the cone is

A) 5 B) 10
C) 20 D) 22
 
Answer & Explanation Answer: C) 20

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Q:

The 3rd and 9th term of an arithmetic progression are -8 and 10 respectively. What is the 16th term?

A) 34 B) 28
C) 25 D) 31
 
Answer & Explanation Answer: D) 31

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Q:

Working 10 hours a day, Aman can complete a piece of work in 18 days. How many hours a day should he work so as to finish the work in 15 days?

A) 10 B) 12
C) 16 D) 18
 
Answer & Explanation Answer: B) 12

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Filed Under: Time and Work
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