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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If 1 = 2, 3 = 6, 4 = 8, and + = -, what would be the value of 41 + 34 + 13 = ?

A) -88 B) 88
C) 12 D) -12
 
Answer & Explanation Answer: D) -12

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Q:

Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is

A) 2 B) 3
C) 4 D) 5
 
Answer & Explanation Answer: D) 5

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Q:

In the circle above, chord AB is extended to meet the tangent DE at D. If AB = 5 cm and DE = 6 cm, find the length of BD.

 

A) 4 cm B) 5 cm
C) 6 cm D) √30 cm
 
Answer & Explanation Answer: A) 4 cm

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Q:

The average of ten numbers is 18. If one number is removed, then the average becomes 16, then what is the removed number?

 

A) 36 B) 40
C) 48 D) 52
 
Answer & Explanation Answer: A) 36

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Q:

What is the value of Cot 60°- Cos 45°?

A) (9 - 2√3)/9 B) (2√6 - 1)/√3
C) (1 - 2√3)/2 D) (√2 - √3)/√6
 
Answer & Explanation Answer: D) (√2 - √3)/√6

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Q:

If the measure of the interior angle of a regular polygon is 90 deg greater than the measure of its exterior angle, then how many sides does it have ?

 

A) 8 B) 9
C) 10 D) 12
 
Answer & Explanation Answer: A) 8

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Q:

In figure, DE || BC. If DE = 3 cm, BC = 6 cm and area of ΔADE = 15 sq cm, then the area of ΔABC is

A) 75 sq cm B) 45 sq cm
C) 30 sq cm D) 60 sq cm
 
Answer & Explanation Answer: D) 60 sq cm

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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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