Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the value of 2sec2A?

A) secA/(cosecA - ­1) + secA/(cosecA +1) B) cosecA/(secA -­1) + cosecA/(secA +1)
C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1) D) secA/(secA - ­1) + secA/(secA +1)
 
Answer & Explanation Answer: C) cosecA/(cosecA - ­1) + cosecA/(cosecA +1)

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Q:

For triangle PQR, find equation of altitude PS if co­-ordinates of P, Q and R are (6,2), (0,3) and (­-4,5) respectively?

A) 2x -­ y = 14 B) 2x + y = 10
C) 2x -­ y = 10 D) 2x + y = 14
 
Answer & Explanation Answer: C) 2x -­ y = 10

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Q:

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

A) Bigger B) Faster
C) Greater D) Taller
 
Answer & Explanation Answer: B) Faster

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Q:

The lengths of diagonals of a rhombus are 24cm and 10cm the perimeter of the rhombus (in cm ) is :

A) 52 B) 56
C) 68 D) 72
 
Answer & Explanation Answer: A) 52

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Q:

The sum of the ages of Rohit and Ankit is 78. Rohit's age is twice the age of Ankit. What is the age (in years) of Rohit?

A) 26 B) 52
C) 54 D) 48
 
Answer & Explanation Answer: B) 52

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Q:

A sum fetched a total simple interest of Rs. 7728 at the rate of 7% per year in 8 years. What is the sum?

A) Rs 13800 B) Rs 16560
C) Rs 11040 D) Rs 8280
 
Answer & Explanation Answer: A) Rs 13800

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Q:

Two chords AB and PQ of a circle intersect at D inside a circle. If AD = 4 cm, DB = 6 cm, QD = 3 cm, the length of PQ is equal to

A) 11 cm B) 8 cm
C) 9 cm D) 10 cm
 
Answer & Explanation Answer: A) 11 cm

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Q:

An exterior angle of a triangle is 115 deg and one of the interior opposite angle is 45 deg. Then the other two angles are

A) 65, 70 B) 60, 75
C) 70, 60 D) 55, 60
 
Answer & Explanation Answer: A) 65, 70

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