Quantitative Aptitude - Arithmetic Ability Questions

Q:

The area of the circle with radius Y is W. The difference between the areas of the bigger circle (with radius Y) and that of the smaller circle (with radius X) is W'. So x/y is equal to

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: A) 1

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Q:

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

A) 2543 B) 2192
C) 9362 D) 3713
 
Answer & Explanation Answer: C) 9362

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Q:

Find the odd word/letter/number pair from the given alternatives

A) 14, 12 B) 24, 7
C) 42, 4 D) 37, 4
 
Answer & Explanation Answer: D) 37, 4

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Q:

If x+1x=5, then 6xx2+x+1 value is

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

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Q:

In the following questions two equations numbered I and II are given. You have to solve boththe equations and give answers

I. 2x ² –21x + 54 = 0

II. y ² –14y + 49 = 0

A) x = y or relation can’t be established between x and y B) x > y
C) x < y D) x ≥ y
 
Answer & Explanation Answer: C) x < y

Explanation:

I. 2x ² –21x + 54 = 0(x -6)(2x -9)x =+6, +9/2

II. y ² –14y + 49 = 0(y-7) (y-7)y = +7, +7y > x

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Q:

What is the reflection of the point (5, 3) in the line y = -2?

A) (-9 , 3) B) (-5 , -7)
C) (-9 , -3) D) (5 , -7)
 
Answer & Explanation Answer: D) (5 , -7)

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Q:

In ΔXYZ measure of angle Y is 90°. If cosecX = 17/15, and XY = 4cm, then what is the length (in cm) of side YZ?

A) 7.5 B) 8.5
C) 5 D) 6
 
Answer & Explanation Answer: A) 7.5

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Q:

What is the area (in square units) of the figure enclosed by the graphs of the lines x = -4, x = 2, y = -2 and y = 3?

A) 12 B) 24
C) 15 D) 60
 
Answer & Explanation Answer: C) 15

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