Quantitative Aptitude - Arithmetic Ability Questions

Q:

A scored 72% in a paper with a maximum marks of 900 and 80% in another paper with a maximum marks of 700. If the result is based on the combined percentage of two papers, the combined percentage is

A) 75.5% B) 76%
C) 76.5% D) 77%
 
Answer & Explanation Answer: A) 75.5%

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Filed Under: Percentage
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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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Filed Under: Simplification
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Q:

If x2-3x+1=0, then x+1x is (x0)

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

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Q:

What is the equation of the line whose y­-intercept is 4 and making an angle of 45° with the positive x-­axis?

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

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Q:

Find the value of p if ­-3x -­ 11, x + p and 5x + 7 are in arithmetic progression.

A) 9 B) 2
C) -9 D) -2
 
Answer & Explanation Answer: D) -2

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Q:

The value of 2.31 x 0.34 = ?

A) 1.7854 B) 0.7854
C) 0.7845 D) 0.7584
 
Answer & Explanation Answer: B) 0.7854

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Q:

ΔXYZ is similar to ΔPQR. If ratio of Perimeter of ΔXYZ and Perimeter of ΔPQR is 16:9 and PQ = 3.6 cm, then what is the length(in cm) of XY?

A) 4.8 B) 3.2
C) 6.4 D) 8.6
 
Answer & Explanation Answer: C) 6.4

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Filed Under: Volume and Surface Area
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Q:

G is the centroid of the equilateral triangle ABC, if AB = 9cm then AG is equal to

A) 3√3cm B) 3cm
C) 3√3/2cm D) 6cm
 
Answer & Explanation Answer: A) 3√3cm

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Filed Under: Volume and Surface Area
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