Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 3cos2x - 2sin2x = -0.75 and 0° x  90°, then x = ?

 

A) 30 deg B) 90 deg
C) 60 deg D) 45 deg
 
Answer & Explanation Answer: C) 60 deg

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Q:

Five angles of a hexagon measure 116 deg each. What is the measure of the remaining angle?

A) 152 deg B) 116 deg
C) 140 deg D) 126 deg
 
Answer & Explanation Answer: C) 140 deg

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Q:

In the following question, select the odd word from the given alternatives.

A) Mars B) Venus
C) Planet D) Mercury
 
Answer & Explanation Answer: C) Planet

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Q:

What is the value of 13 x 4932?

A) 4369 B) 4459
C) 4549 D) 4639
 
Answer & Explanation Answer: B) 4459

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Q:

Compute : 28854 / 458 / 9

A) 70 B) 567
C) 7 D) 576
 
Answer & Explanation Answer: C) 7

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Q:

If (x + y)/z = 2, then what is the value of [y/(y – z)] + [x/(x – z)]?

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

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Q:

If cosec 45° - sin 30° = x, then x is

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

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Q:

Four numbers A, B, C and D are such that their overall average is 16. The average of A and B is 9.5. The average of C and D is

A) 22.5 B) 23
C) 21.5 D) 25.5
 
Answer & Explanation Answer: A) 22.5

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