Quantitative Aptitude - Arithmetic Ability Questions

Q:

Product of digits of a 2-digit number is 18. If we add 63 to the number, the new number obtained is a number formed by interchange of the digits. Find the number.

A) 92 B) 29
C) 36 D) 63
 
Answer & Explanation Answer: B) 29

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Q:

Sum of twice a fraction and 5 times its reciprocal is 7. What is the fraction?

A) 2/5 B) 5/4
C) 5/2 D) 4/5
 
Answer & Explanation Answer: C) 5/2

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Q:

The sum of three consecutive even integers is 84. Which is the least integer among them?

A) 28 B) 30
C) 32 D) 26
 
Answer & Explanation Answer: D) 26

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Q:

What is the value of ( 1/√3 + cot60) ?

A) 3√3/2 B) 7/2√3
C) (4+√3)/2√3 D) 2/√3
 
Answer & Explanation Answer: D) 2/√3

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Filed Under: Simplification

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Q:

The HCF of 36,54 and 108 is

A) 6 B) 9
C) 18 D) 12
 
Answer & Explanation Answer: C) 18

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Filed Under: HCF and LCM
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Q:

O is the centre of a circle and AB is the tangent to it touching at B . If OB = 3 cm. and OA = 5 cm , then the measure of AB in cm

A) √34 B) 2
C) 8 D) 4
 
Answer & Explanation Answer: D) 4

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Filed Under: Volume and Surface Area
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Q:

What is the reflection of the point (-3, 1) in the line x = -2?

A) (-1 , 1) B) (-3 , -5)
C) (1 , 1) D) (-3 , 5)
 
Answer & Explanation Answer: A) (-1 , 1)

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Q:

Two circles touch each other internally. The radius of the larger circle is 6 cm and the distance between the centre is 2 cm, then the radius (in cms) of the other circle is

A) 8 B) 2
C) 4 D) 3
 
Answer & Explanation Answer: C) 4

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