Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a sum of money deposited in a bank at simple interest is doubled in 6 years, then after 12 years, the amount will be

A) 5/2times the original amount B) 3times the original amount
C) 7/2times the original amount D) 4times the original amount
 
Answer & Explanation Answer: B) 3times the original amount

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Q:

If x+1x=5, then the value of x1+x+x2 is

A) 1/5 B) 1/6
C) 5 D) 6
 
Answer & Explanation Answer: B) 1/6

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Q:

What is the reflection of the point (3,-5) in the origin?

A) (-3, -5) B) (5,-3)
C) (-5,-3) D) (-3, 5)
 
Answer & Explanation Answer: D) (-3, 5)

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Q:

Point P is the midpoint of segment AB. Co-ordinates of P are (3 , 1) and B are (5, -4). What are the co-ordinates of point A?

A) (-1 , 7) B) (1 , -7)
C) (1 , 6) D) (-1 , -7)
 
Answer & Explanation Answer: C) (1 , 6)

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Q:

In the following question, four number pairs are given. The number on left side of (–) is related to the number on the right side of (–) with some Logic/Rule/Relation. Three are similar on basis of same Logic/Rule/Relation. Select the odd one out from the

 

A) 13 – 14 B) 15 – 16
C)  24 – 25 D) 19 – 21
 
Answer & Explanation Answer: D) 19 – 21

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Q:

Which of the following quadratic equations has real roots?

A) 3x2 -­ 5x + 2 = 0 B) 3x2 -­ 4x + 2 = 0
C) 4x2 -­ 3x + 2 = 0 D) 5x2 -­ 2x + 2 = 0
 
Answer & Explanation Answer: A) 3x2 -­ 5x + 2 = 0

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Q:

Simplify : 132 - 142 + 172 - 250 = ?

A) 196 B) 169
C) 121 D) 144
 
Answer & Explanation Answer: D) 144

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Q:

In these tests find the Odd figure out

A) a B) b
C) c D) d
 
Answer & Explanation Answer: B) b

Explanation:
In option B shaded circle is common of all three circles but in others the shaded circle is the common part of only two circles.
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