Quantitative Aptitude - Arithmetic Ability Questions

Q:

If 2x -­ 3 ≤ 5 + x and 5 -­ x < 1 + 5x; then x can take which of the following values?

A) -1 B) 1
C) 9 D) -9
 
Answer & Explanation Answer: B) 1

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Q:

Sin6A + Cos6A - 1 is equal to

A) -3Sin2ACos2A B) 1 - 3 SinACosA
C) 1 + 3Sin2ACos2A D) 0
 
Answer & Explanation Answer: A) -3Sin2ACos2A

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Q:

The tangents drawn at points A and B of a circle with centre O, meet at P. If ∠AOB = 120° and AP = 6 cm, then what is the area of triangle (in cm2) APB?

A) 6√3 B) 8√3
C) 9 D) 9√3
 
Answer & Explanation Answer: D) 9√3

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Filed Under: Volume and Surface Area
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Q:

One internal angle of a rhombus of side 12 cm is 120°. What is the length of its longer diagonal?

A) 6√3 cm B) 12√2 cm
C) 6√2 cm D) 12√3 cm
 
Answer & Explanation Answer: D) 12√3 cm

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Filed Under: Volume and Surface Area
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Q:

Possible length of the three sides of a triangle are :­

A) 2 cm , 3 cm , 6 cm B) 3 cm , 4 cm , 5 cm
C) 2.5 cm , 3.5 cm , 6 cm D) 4 cm , 4 cm , 9 cm
 
Answer & Explanation Answer: B) 3 cm , 4 cm , 5 cm

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Q:

When a number is divided by 56, the remainder will be 29. If the same number is divided by 8, then the remainder will be

A) 6 B) 7
C) 5 D) 3
 
Answer & Explanation Answer: C) 5

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Q:

Two pipes P and Q can fill an empty tank in 25 hours and 20 hours respectively. Pipe R alone can empty the completely filled tank in 50 hours. Firstly both the pipes P and Q are opened and after 8 hours pipe R is also opened. What will be the total time (in hours) taken to completely fill the tank?

 

A) 12 B) 10
C) 14 D) 13
 
Answer & Explanation Answer: A) 12

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Filed Under: Pipes and Cistern
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Q:

What is the equation of the line if its slope is 1/4 and y-­intercept is ­-3?

A) x ­- 4y = 12 B) x + 4y = 12
C) x -­ 4y = ­-12 D) x + 4y = -­12
 
Answer & Explanation Answer: A) x ­- 4y = 12

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