Simple Interest and Compound Interest - 12 Repeated Questions in Exams

simple and compound interest

Ques 1.

 A sum was invested at simple interest at a certain interest for 2 years. It would have fetched Rs. 60. more had it been invested at 2% higher rate. What was the sum
(a) Rs 1500
(b) Rs 1300
(c) Rs 2500
(d) Rs 1000
Ans 1. Since SI si directly proportional to Rate of interest 2 % higher rate fetched Rs. 60 more
It means  this sum will give SI of Rs. 60
If invested at 2% rate for  2 years
Simple Interest &  Compound Interest

Ques 2.

The difference between simple and compound interest on a sum of money at 5% per annum is Rs .25 .What is the sum ?'
(a) Rs 5000
(b) Rs 10,000
(c) Rs. 4000
(d) Data insufficient
Ans 2.  It cannot be determined

Ques 3.

Two equal sums were borrowed at 8% simple interest per annum for 2 years and 3 years respectively.The difference on the interest was Rs 56.The sum borrowed were
(a) Rs . 690
(b) Rs . 700
(c) Rs. 740
(d) Rs 780
Ans 3.
Simple Interest &  Compound Interest

Ques 4.

If the difference between the simple interest and compound interest on some prinicpal amount at 20% per annum for 3 years in Rs 48,then the principle amount must be
(a) Rs. 550
(b) Rs. 500
(c) Rs. 375
(d) Rs. 400
Ans 4. 
Simple Interest &  Compound Interest

Ques 5.

Raju lent Rs. 400 to Ajay for 2 years, and Rs. 100 to Manoj for 4 Years and received together form both Rs. 60 as interest .Find the rate of interest, if simple interest is being calculated.
(a) 5 %
(b) 6 %
(c) 8%
(d) 9 %
Ans 5. 
Simple Interest &  Compound Interest

Ques 6.

In what time will Rs 8000 amount to 40,000 at 4% per annum ? ( simple interest being reckoned )
(a) 100 years
(b) 50 years
(c) 110 years
(d) 160 years
Ans 6. 
Simple Interest &  Compound Interest

Ques 7.

A sum of money becomes 4 times at simple interest i 10 years.What is the rate of interest?
(a) 10%
(b) 20 %
(c) 30%
(d) 40%
Ans 7. 
Simple Interest &  Compound Interest

Ques 8.

A sum of money placed at compound interest doubles itself in 3 years .In how many years will it amount to 8 times itself?
(a) 9 years
(b) 8 years
(c) 27 years
(d) 7 years
Ans 8.
Simple Interest &  Compound Interest

Ques 9.

Divide Rs 6000 into two parts so that simple interest on the first part for 2 years at 6 % p.a. may be equal to the simple interest on the second part for 3 years at 8% p.a.
(a) Rs. 4000, Rs 2000
(b) Rs. 5000. Rs 1000
(c) Rs. 3000, Rs 3000
(d) None of these
Ans 9.
Simple Interest &  Compound Interest

Ques 10

A sum of money becomes 7/4 of itself in 6 years at a certain rate of simple interest. Find the rate of interest.
(a) 12%
(b) 12.5%
(c) 8%
(d) 14%
Ans 10.
Simple Interest &  Compound Interest

Ques 11.

Sanjay borrowed Rs.900 at 4 % p.a. and Rs 1100 at 5% p.a. for the same duration.He had to pay Rs. 364 in all as interest .What is the time period in years?
(a) 5 Years
(b) 3 Years
(c) 2 years
(d) 4 years
Ans 11.

Simple Interest &  Compound Interest

Ques 12.

A sum of Rs. 600 amounts to Rs. 720 in 4 years at simple Interest. What will it amount to if the rate of interest in increased by 2 % ?
(a) Rs. 648
(b) Rs. 768
(c) Rs. 726
(d) Rs. 792

Ans 12.
Simple Interest &  Compound Interest

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