Quantitative Aptitude - Arithmetic Ability Questions

Q:

If M = 0.1 + (0.1)2 + (0.01)2 and N = 0.3 + (0.03)2 + (0.003)2, then what is the value of M + N?

A) 0.411009 B) 0.413131
C) 0.313131 D) 0.131313
 
Answer & Explanation Answer: A) 0.411009

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Filed Under: Simplification
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Q:

What is the third proportional to 10 and 25?

A) 125 B) 150
C) 62.5 D) 225
 
Answer & Explanation Answer: C) 62.5

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Filed Under: Ratios and Proportions
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Q:

The ratio of salary of u, v and w is 8 : 7 : 13. If w gets Rs 3384 more than that of v, then what is the salary (in Rs) of u?

 

A) 4432   B) 4512  
C) 4642   D) 5144
 
Answer & Explanation Answer: B) 4512  

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Q:

If Reena sold 12 mobile phones for Rs. 1,88,160 which cost Rs. 14,056 per phone, what was the total profit made by her?

A) Rs. 19,488 B) Rs. 17,621
C) Rs. 21,014 D) Rs. 18,958
 
Answer & Explanation Answer: A) Rs. 19,488

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Filed Under: Profit and Loss
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Q:

The difference between the ages of two sisters is 4 years when father's age is 54. Father is elder by 2 years to mother . Younger sister's age is half of mother's age. Find the age of elder sister.

A) 26 B) 27
C) 29 D) 30
 
Answer & Explanation Answer: D) 30

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Filed Under: Problems on Ages
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Q:

In the first 36 overs of a cricket match, the run rate was 4.3 runs/over. Calculate the required run rate in the remaining 14 overs to reach the target of 271 runs?

A) 8.9 B) 9.5
C) 8.3 D) 7.7
 
Answer & Explanation Answer: C) 8.3

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Q:

The average of 5 consecutive numbers is 50%, then difference between 'product of largest and smallest number' with 'product of fourth and second number' is

A) 3 B) -3
C) 0 D) 10
 
Answer & Explanation Answer: B) -3

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Q:

A sum of Rs 800 becomes Rs 1000 in 2 years at simple interest. What is the per annum rate of interest (in percent)?

 

A) 12.5   B)  25  
C)  8.5   D)  17
 
Answer & Explanation Answer: A) 12.5  

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Filed Under: Simple Interest
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