19
Q:

The difference between the compound interest and the simple interest on a certain sum at 12% p.a. for two years is Rs.90. What will be the value of the amount at the end of 3 years?

A) 8560 B) 8673
C) 8746 D) 8780.80

Answer:   D) 8780.80



Explanation:

when interest is reckoned using compound interest, interest being compounded annually. The difference in the simple interest and compound interest for two years is on account of the interest paid on the first year's interest  Hence 12% of simple interest = 90 => simple interest =90/0.12 =750.

As the simple interest for a year = 750 @ 12% p.a., the principal =750/0.12 = Rs.6250.

If the principal is 6250, then the amount outstanding at the end of 3 years = 6250 + 3(simple interest on 6250) + 3 (interest on simple interest) + 1 (interest on interest on interest) = 6250 +3(750) + 3(90) + 1(10.80) = 8780.80.

Q:

If Rs. 2,000 is invested at the rate of 20% per annum, compounded half-yearly, then the amount after 18 months will be:

A) Rs.2628 B) Rs.2662
C) Rs.2600 D) Rs.3200
 
Answer & Explanation Answer: D) Rs.3200

Explanation:
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0 355
Q:

Calculate the principal if an amount of Rs. 441 is received on compound interest at the rate of 5% per annum after 2 years.

 

A) Rs.400 B) Rs.390
C) Rs.380 D) Rs.350
 
Answer & Explanation Answer: A) Rs.400

Explanation:
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2 276
Q:

Gitesh took a loan for 4 years at 5% Compound Interest. If the total interest paid was Rs. 431.01, Calculate the principal.

A) Rs. 2000 B) Rs. 2050
C) Rs. 2100 D) Rs. 2150
 
Answer & Explanation Answer: A) Rs. 2000

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0 270
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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0 232
Q:

A sum of Rs 4000 becomes Rs 5800 in 3 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) 4430   B) 5450  
C) 5290   D) 4970
 
Answer & Explanation Answer: C) 5290  

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1 240
Q:

The maturity value of a certain sum after two years at 20% p.a. interest compounded annually is Rs. 14,400/-. Find the Principal amount.

A) Rs.9000 B) Rs.9500
C) Rs.10,000 D) Rs.10,500
 
Answer & Explanation Answer: C) Rs.10,000

Explanation:
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1 249
Q:

Shams invested Rs. 5000 at 10% per annum compound interest. After n years, Shams received Rs. 1655 more. Find the value of n.

 

A) 3 years B) 4 years
C) 2 years D) 1 year
 
Answer & Explanation Answer: A) 3 years

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4 523
Q:

A sum of Rs 6000 becomes Rs 7200 in 2 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 3 years?

 

A) 7434   B) 8244  
C) 7864   D) 7986
 
Answer & Explanation Answer: D) 7986

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2 377