Aptitude and Reasoning Questions

Q:

If 3cos2x - 2sin2x = -0.75 and 0° x  90°, then x = ?

 

A) 30 deg B) 90 deg
C) 60 deg D) 45 deg
 
Answer & Explanation Answer: C) 60 deg

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Q:

Mr. Ibrahim borrowed Rs. 7500 at 5% per annum compound interest. The compound interest compounded annually for 2 years is

A) 768.75 B) 8268.75
C) 8286.75 D) 786.75
 
Answer & Explanation Answer: B) 8268.75

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Q:

The mean of the data 1, 1/2, 1/2, 3/4, 1/4, 2, 1/2, 1/4, 3/4 is

A) 15/18 B) 13/18
C) 7/9 D) 8/9
 
Answer & Explanation Answer: B) 13/18

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Q:

If √20 + √125 = 15.65, then what is the value of √45 + √5?

A) 6.98 B) 8.94
C) 9.98 D) 11.27
 
Answer & Explanation Answer: B) 8.94

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Q:

What is the value of 7293 + 441 - 3433 ?

A) 48 B) 23
C) 7 D) 41
 
Answer & Explanation Answer: B) 23

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Q:

What is the value of 299996 x 300004?

A) 89999999984 B) 89999699984
C) 89999999884 D) 89999999974
 
Answer & Explanation Answer: A) 89999999984

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Q:

A sum of Rs 20000 becomes Rs 32000 in 12 years, when invested in a scheme of simple interest. If the same sum is invested in a scheme of compound interest with same yearly interest rate (compounding of interest is done yearly), then what will be the amount (in Rs) after 2 years?

 

A) 21750 B) 22050
C) 23250 D) 24650
 
Answer & Explanation Answer: B) 22050

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Q:

The simple interest on a certain sum of money invested at a certain rate for 2 years amounts to Rs. 1200. The compound interest on the same sum of money invested at the same rate of interest for 2 years amounts to Rs. 1290. What was the principal?

A) Rs. 12000 B) Rs. 16000
C) Rs. 6000 D) Rs. 4000
 
Answer & Explanation Answer: D) Rs. 4000

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