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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If a3 + 3a2 + 9a = 1, then what is the value of a3 + (3/a)?

A) 31 B) 26
C) 28 D) 24
 
Answer & Explanation Answer: C) 28

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Q:

What is the simplified value of (sin A – cosec A)(sec A – cos A) (tan A + cot A)?

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

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Q:

If cot π/3c -­ tan π/4c = x, then the value of x is

A) √3+2 B) (1­-√3)/√3
C) (1-­√2)/√2 D) (√3+4)/2√3
 
Answer & Explanation Answer: B) (1­-√3)/√3

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Q:

If 7x ­- 5y = 13 and 2x -­ y = 5, then (x -­ y) is

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

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Q:

What is the value of tan 4π/3?

A) ­1/2 B) √3
C) √3/2 D) ­1/√2
 
Answer & Explanation Answer: B) √3

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Q:

Simplify 437bxaz / 23ab.

A) 17xzb B) 9xz
C) 19xz D) 19ab
 
Answer & Explanation Answer: C) 19xz

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Q:

The LCM of 56, 84 and 112 is

A) 210 B) 336
C) 420 D) 168
 
Answer & Explanation Answer: B) 336

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Q:

Coefficient of x in (x + 9)(8 - 5x) is

A) 37 B) -53
C) -37 D) 53
 
Answer & Explanation Answer: C) -37

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