Quantitative Aptitude - Arithmetic Ability Questions

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:

If a - b = -6 and a2 + b2 = 44, then ab is

A) -4 B) 8
C) 4 D) -8
 
Answer & Explanation Answer: C) 4

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Filed Under: Simplification
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Q:

If (4x - 3) = (3x + 8), then the numerical value of(x + 1)3  is

A) 1331 B) 1000
C) 1728 D) 729
 
Answer & Explanation Answer: C) 1728

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Q:

Solve the following: (−18)[36÷7−(−2)]÷{}(−4)19−(−3)×(−5)={}?

A) -4.5 B) 4.5
C) -2.5 D) 2.5
 
Answer & Explanation Answer: B) 4.5

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Q:

If a3 + b3 = 19 and ab = -6 , then what is the value of a + b?

A) 5 B) 7
C) 1 D) -5
 
Answer & Explanation Answer: C) 1

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Q:

The ratio of the heights of Nani and Leelu is 4 : 3. If Leelu is 1.2 m tall, then what is the height of Nani?

A) 1.6 m B) 2 m
C) 0.9 m D) 1.8 m
 
Answer & Explanation Answer: A) 1.6 m

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Filed Under: Ratios and Proportions
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Q:

Two men standing on same side of a pillar 75 metre high, observe the angles of elevation of the top of the pillar to be 30° and 60° respectively the distance between two men is

A) 100 3m B) 100m
C) 753m D) 253m
 
Answer & Explanation Answer: A) 100 3m

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Filed Under: Height and Distance
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Q:

At what rate of compound interest (in %) per annum will a sum of Rs. 15,000 become Rs. 18,150 in 2 years?

A) 11 B) 10
C) 9 D) 12
 
Answer & Explanation Answer: B) 10

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Filed Under: Compound Interest
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