Quantitative Aptitude - Arithmetic Ability Questions

Q:

If a – b = 11 and ab = 24, then value of a2 + b2 is

A) 169 B) 37
C) 73 D) 48
 
Answer & Explanation Answer: A) 169

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Q:

If a2+b2c2 = b2+c2a2 = c2+a2b2 = 1k k0 then k =

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

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Q:

If (4x - 3) = (3x + 8), then the numerical value of(x + 1)3  is

A) 1331 B) 1000
C) 1728 D) 729
 
Answer & Explanation Answer: C) 1728

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Q:

If x+1x 0 and x3+1x3 = 0, then the value of x+1x4 is :

A) 9 B) 12
C) 15 D) 16
 
Answer & Explanation Answer: A) 9

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Q:

Solve the following equation to find x: (x  2)2  36 = 0 : xεN

A) 4 B) 8
C) -4 D) -8
 
Answer & Explanation Answer: B) 8

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Q:

The two equal sides of an isosceles triangle is 20 cm each and the third side is 30 cm. What is the area(in cm2) of the triangle?

A) 50√5 B) 100
C) 75√7 D) 175
 
Answer & Explanation Answer: C) 75√7

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Q:

Find the remainder when 413 divided by 3?

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

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Q:

In the given figure, PQRS is a square of side 20 cm and SR is extended to point T. If the length of QTis 25 cm, then what is the distance (in cm) between the centers O1 and O2 of the two circles?

A) 5√10 B) 4√10
C) 8√5 D) 16√2
 
Answer & Explanation Answer: A) 5√10

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