Quantitative Aptitude - Arithmetic Ability Questions

Q:

What should be added to 8(3x - ­4y) to obtain 18x ­- 18y?

A) 6x -­ 14y B) 14y + 6x
C)  14y -­ 6x D) 6xy
 
Answer & Explanation Answer: C)  14y -­ 6x

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Q:

If cosec π/4 - ­ sin π/3 = x, then the value of x is

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

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Q:

If -5x3+2 = x-6, then find the value of x?

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

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Q:

Δ LMN is right angled at M. If m∠N = 60°, then Tan L =______.

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

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Q:

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

A) (cotA + cosecA)2 B) (cotA -­ cosecA)2
C) cotA -  cosecA D) cotA + cosecA
 
Answer & Explanation Answer: B) (cotA -­ cosecA)2

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Q:

Which of the following numbers is completely divisible by 99?

A) 57717 B) 57627
C) 55162 D) 56982
 
Answer & Explanation Answer: A) 57717

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Q:

Determine the value of ‘r’ for which the equation 13x + 5 = rx + 18 has no solution.

A) 0 B) 5
C) 13 D) 18
 
Answer & Explanation Answer: C) 13

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Q:

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

A) Square B) Rectangle
C) Cylinder D) Triangle
 
Answer & Explanation Answer: C) Cylinder

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