Quantitative Aptitude - Arithmetic Ability Questions

Q:

If sin(A/2) = x, then the value of x is

A) √[(1 + cosA)/2] B) √[(1 -­ cosA)/2]
C) √[(1 -­ sinA)/2] D) √[(1 + sinA)/2]
 
Answer & Explanation Answer: B) √[(1 -­ cosA)/2]

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Filed Under: Simplification
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Q:

If the amount received at the end of 2nd and 3rd year at compound Interest on a certain Principal is Rs 9,600 and Rs 10,272 respectively, what is the rate of interest (in %)?

A) 7 B) 8
C) 6 D) 5
 
Answer & Explanation Answer: A) 7

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Filed Under: Compound Interest
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Q:

What is the area (in sq cm) of a rhombus if the lengths of its diagonals are 25 cm and 20 cm?

A) 500 B) 250
C) 125 D) 200
 
Answer & Explanation Answer: B) 250

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Filed Under: Area
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Q:

If Tan θ = 4/3, then what is the value of Sin θ?

A) 1.25 B) 0.8
C) 4/3 D) 3/4
 
Answer & Explanation Answer: B) 0.8

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Q:

The point P(5,-2) divides the segment joining the points (x,0) and (0,y) in the ratio 2:5. What is the value of x and y?

A) x = -7; y = 7 B) x = 3; y = -3
C) x = 7; y = -7 D)  x = -3; y = 3
 
Answer & Explanation Answer: C) x = 7; y = -7

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Q:

If the volume of a cylinder is 3850 cubic cm and height is 25 cm, what is its radius? (Take π = 22/7)

A) 7 cms B) 14 cms
C) 10 cms D) 3.5 cms
 
Answer & Explanation Answer: A) 7 cms

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Filed Under: Volume and Surface Area
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Q:

Mr. Mahesh sold a bus for Rs. 22,100 with a loss of 15%. At what price should the bus be sold to get a profit of 15%?

A) 29,700 B) 30,000
C) 29,800 D) 29,900
 
Answer & Explanation Answer: D) 29,900

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Filed Under: Profit and Loss
Exam Prep: Bank Exams

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Q:

Among three numbers, the first is twice the second and thrice the third. If the average of three numbers is 396, then what is the difference between the first and the third number?

A) 594 B) 448
C) 432 D) 453
 
Answer & Explanation Answer: C) 432

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Filed Under: Average
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