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 Quantitative Aptitude - Arithmetic Ability Questions

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Q:

If tanα= 2 + 1, then the value of tanα - cotα is

 

A) √2 - 1 B) 2√2
C) 2 D) 1
 
Answer & Explanation Answer: C) 2

Explanation:
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Q:

Assume 57 + 59 + 109 = 0, then find the value of 573 + 593 + 1093

 

A) 1099701 B) 1099601
C) 1099801 D) 1098701
 
Answer & Explanation Answer: A) 1099701

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Q:

Find the compound interest on Rs. 16,000 at 20% per annum for 9 months, compounded quarterly

A) 2422 B) 2522
C) 2622 D) 2722
 
Answer & Explanation Answer: B) 2522

Explanation:

Principal = Rs. 16000; Time = 9 months =3 quarters;
Rate = 20% per annum = 5% per quarter.
Amount = Rs. [16000 x (1+(5/100))3] = Rs. 18522.

 

 

 

CJ. = Rs. (18522 - 16000) = Rs. 2522

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Q:

What should come in place of question mark (?) in the following question?

12.5 × 3.2 × 8.8 = ?

A) 358 B) 355
C) 354 D) 356
 
Answer & Explanation Answer:

Explanation:

12.5 × 3.2 × 8.8 = 352

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Q:

Select the figure which does not belong to the group.

 

 

 

A) A B) B
C) C D) D
 
Answer & Explanation Answer: D) D

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Q:

How many days are there in x weeks x days?

A) 7x * x B) 8x
C) 14x D) 7
 
Answer & Explanation Answer: B) 8x

Explanation:

x weeks x days = (7x + x) days = 8x days.

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Filed Under: Calendar

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Q:

Determine the value of x+yx+2y when 2x+yx+4y = 3.

 

A) 3/5 B) 7/10
C) 4/5 D) 9/10
 
Answer & Explanation Answer: D) 9/10

Explanation:
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Q:

How much time will take for an amount of Rs. 450 to yield Rs. 81 as interest at 4.5% per annum of simple interest  ?

A) 4 years B) 2.5 years
C) 3.5 years D) 2 years
 
Answer & Explanation Answer: A) 4 years

Explanation:

Time = (100 x 81) / (450 x 4.5) = 4 years.

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