37
Q:

A sum was put at simple interest at a certain rate for 10 years . Had it been put at 5% higher rate , it would have fetched Rs.600 more. What was the Sum?

A) Rs.1200 B) Rs.1300
C) Rs.1400 D) Rs.1500

Answer:   A) Rs.1200



Explanation:

At 5% more rate, the increase in S.I for 10 years = Rs.600  (given)

So, at 5% more rate, the increase in SI for 1 year = 600/10 = Rs.60/-

i.e. Rs.60 is 5% of the invested sum

So, 1% of the invested sum = 60/5

Therefore, the invested sum = 60 × 100/5 = Rs.1200

Q:

₹4,300 becomes ₹4,644 in 2 years at simple interest. Find the principle amount that will become ₹10,104 in 5 years at the same rate of interest.

 

A) ₹7,200 B) ₹8,420
C) ₹9,260 D) ₹5,710
 
Answer & Explanation Answer: B) ₹8,420

Explanation:
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0 309
Q:

The simple interest on a certain sum at the end of three years at 5%p.a. is ₹1,200. The compound interest on the same sum for the same period at the same rate is (interest compounded yearly):

 

A) ₹1,800 B) ₹1,261
C) ₹820 D) ₹1,260
 
Answer & Explanation Answer: B) ₹1,261

Explanation:
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2 1698
Q:

A sum of money invested for 4 years and 9 months at a rate of 8% simple interest per annum became Rs. 1,035 at the end 0 of the period. What was the sum that was initially invested?

 

A) Rs. 700 B) Rs. 675
C) Rs. 725 D) Rs. 750
 
Answer & Explanation Answer: D) Rs. 750

Explanation:
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4 352
Q:

At what percent of simple interest will a sum 0f money double itself in 15 years?

A) 6 1/3% B) 6 2/3%
C) 6 1/2% D) 6%
 
Answer & Explanation Answer: B) 6 2/3%

Explanation:
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3 387
Q:

What is the total earning after 2 years from Rs.18,750 on variable compound interest if the rate of interest for the first 4 year is 4% and for the second, it is 8%?

A) ₹ 1,740 B) ₹ 1,760
C) ₹ 1,670 D) ₹ 2,310
 
Answer & Explanation Answer: D) ₹ 2,310

Explanation:
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1 1910
Q:

The simple interest on a sum of Rs.50,000 at the end of two years is Rs.4,000. What would be the compound interest on the same sum at the same rate for the same period ?

 

A) 4,040   B) 4,080  
C) 4,008   D) 8,000  
 
Answer & Explanation Answer: B) 4,080  

Explanation:
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1 1929
Q:

Rs. 775 invested for 6 years gives an interest of Rs. 372. The rate of simple interest per annum is:

 

A) 8% B) 7%
C) 9% D) 7.5 %
 
Answer & Explanation Answer: A) 8%

Explanation:
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2 406
Q:

In how many wars will an amount be doubled at 28.75% annual rate of interest?

 

A) 3.00 B) 3.90
C) 3.47 D) 6.00
 
Answer & Explanation Answer: C) 3.47

Explanation:
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1 1336