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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

P(4,2) and R(-2,0) are vertices of a rhombus PQRS. What is the equation of diagonal QS.

A) x - 3y = -2 B) 3x + y = 4
C) 3x + y = -4 D) x - 3y = 2
 
Answer & Explanation Answer: B) 3x + y = 4

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Q:

If (4x -­ 5) = (3x ­- 1), then the numerical value of (x + 4)2

A) 16 B) 64
C) 32 D) 8
 
Answer & Explanation Answer: B) 64

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Q:

If a:b = 5:8, find the value of (6a -­ 5b)/(a + 2b).

A) 10/21 B) -21/10
C) 21/10 D) -10/21
 
Answer & Explanation Answer: D) -10/21

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Q:

Calculate the value of √3√3 + 3, if √3 = 1.732

A) 0.366 B) 0.566
C) 0.356 D) 0.346
 
Answer & Explanation Answer: A) 0.366

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Q:

If x+1/x = 2, then the value of x7+2/x6  is equal to?

A) 0 B) 1
C) 2 D) 3
 
Answer & Explanation Answer: D) 3

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Q:

In a shop 4.5% of 1500 kg toor dal was sold. Find the quantity sold

A) 64.5 kg. B) 63.5 kg.
C) 70 kg D) 67.5 kg
 
Answer & Explanation Answer: D) 67.5 kg

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Q:

If x - y = -6 and x + y = 16, then x2- y2 is?

A) 96 B) -96
C) 22 D) -22
 
Answer & Explanation Answer: B) -96

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Q:

If cot(A/2) = x, then the value of x is

A) √[(1 + cosA)/(1 -­ cosA)] B) cosecA -­ cotA
C) √[(1 -­ cosA)/2] D) √[(1 + cosA)/2]
 
Answer & Explanation Answer: A) √[(1 + cosA)/(1 -­ cosA)]

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