Quantitative Aptitude - Arithmetic Ability Questions

Q:

What is the Compound interest on Rs. 5000 in 3 years, if the rate of interest is 4% for the first year, 3% for the second year and 2% for the third year?

A) Rs. 435.21 B) Rs. 453.12
C) Rs. 436.12 D) Rs. 463.12
 
Answer & Explanation Answer: D) Rs. 463.12

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Q:

What is the equation of a line which has 3 as x-intercept and -5 as y-intercept?

A) 3x - 5y = 15 B) 5x - 3y = 15
C) 5x + 3y = 15 D) 3x + 5y = 15
 
Answer & Explanation Answer: B) 5x - 3y = 15

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Q:

If 3√2 + √18 + √50 = 15.55, then what is the value of √32 + √72?

A) 13.22 B) 10.83
C) 14.13 D) 16.54
 
Answer & Explanation Answer: C) 14.13

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Q:

On a certain principal, simple interest amounts to Rs. 2,000 in two years at the rate of 10% p.a. What will be the difference in the amount of interest if the same is compounded on annual basis?

A) Rs.200 B) Rs.220
C) Rs.100 D) Rs.120
 
Answer & Explanation Answer: C) Rs.100

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Q:

In a circle, two arcs of unequal length subtend angles in the ratio 5:3. If the smaller angle is 45° then the measure of other angle in degrees.

A) 75° B) 72°
C) 60° D) 78°
 
Answer & Explanation Answer: A) 75°

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Q:

If x = 2 +√3, y = 2 – √3 and z = 1, then what is the value of (x/yz) + (y/xz) + (z/xy) + 2 [(1/x) + (1/y) + (1/z)]?

A) 25 B) 22
C) 17 D) 43
 
Answer & Explanation Answer: A) 25

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Q:

If cosA = x, then x is

A) √(1 - cos2A) B) √(1 + sin2A)
C) √(1 + cos2A) D) √(1 - sin2A)
 
Answer & Explanation Answer: D) √(1 - sin2A)

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Q:

If sin ­- 5π/3 = x, then the value of x is

A) -√3/2 B) √3/2
C) -2 D) -2/√3
 
Answer & Explanation Answer: B) √3/2

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