Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the reflection of the point (5, -2) in the line x = -1?

A) (-7 , -2) B) (5 , 0)
C) (7 , -2) D) (5 , 2)
 
Answer & Explanation Answer: A) (-7 , -2)

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Q:

The value of tan(-405°)

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

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Q:

Find the odd word/letters/number from the given alternatives.

A) DAEH B) KIMP
C) HEIL D) FCGJ
 
Answer & Explanation Answer: B) KIMP

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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:

What are the co-ordinates of the centroid of a triangle, whose vertices are A(-2,5), B(3,-2) and C(5,3)?

A) (-2,-2) B) (-2,2)
C) (2,2) D) (2,-2)
 
Answer & Explanation Answer: C) (2,2)

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Q:

In a rectangle _____.

A) Diagonals are perpendicular to each other B) Diagonals are not equal
C) Diagonals bisect each other D) Diagonals bisect opposite angles
 
Answer & Explanation Answer: C) Diagonals bisect each other

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Q:

If the amount received at the end of 2nd and 3rd year at Compound Interest on a certain Principal is Rs 33708, and Rs 35730.48 respectively, what is the rate of interest?

A) 6 percent B) 3 percent
C) 12 percent D) 10 percent
 
Answer & Explanation Answer: A) 6 percent

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Q:

If the difference between the roots of the equation Ax2  Bx + C = 0 is 4, then which of the following is TRUE?

A) B2 – 16A2 = 4AC + 4B2 B) B2 – 10A2 = 4AC + 6A2
C) B2 – 8A2 = 4AC + 10A2 D) B2 – 16A2 = 4AC + 8B2
 
Answer & Explanation Answer: B) B2 – 10A2 = 4AC + 6A2

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