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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

The slopes of two lines are 1/√3 and √3. What is the angle between these two lines?

A) 15° B) 45°
C) 60° D) 30°
 
Answer & Explanation Answer: D) 30°

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Q:

If x = at2 and y = 2at then

A) x2 = 4ay B) y2 = 4ax
C) x2 + y 2 = a2 D) x 2 -­ y2 = a 2
 
Answer & Explanation Answer: B) y2 = 4ax

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Q:

What is the value of Cot 60°- Sec 45°?

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

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Q:

If x = y + 2 then x3 -  y3 -  z3 is

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

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Q:

If x2 – 16x – 59 = 0, then what is the value of (x – 6)2 + [1/(x – 6)2]?

A) 14 B) 18
C) 16 D) 20
 
Answer & Explanation Answer: B) 18

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Q:

What is the value of [sin (90 – A) + cos (180 – 2A)]/[cos (90 – 2A) + sin (180 – A)]?

A) sin (A/2) cos A B) cot (A/2)
C) tan (A/2) D) sin A cos (A/2)
 
Answer & Explanation Answer: C) tan (A/2)

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Q:

Ram's father is twice as old as Ram is. Eight years ago the age of Ram's father was 2.5 times his age. What is Ram's current age?

A) 22 yrs B) 25 yrs
C) 24 yrs D) 23 yrs
 
Answer & Explanation Answer: C) 24 yrs

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Q:

If the ratio of cost price and selling price be 10:11, then the profit percentage is

A) 1% B) 10%
C) 5% D) 8%
 
Answer & Explanation Answer: B) 10%

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