Simple Interest
Hand Out - 2
1.
Trivikram invests two equal amounts in two
banks giving 8% and 9% rates of interest, respectively. At the end of 3 years,
the interest earned is Rs 1530. Find the sum invested in each
a) Rs
6000 b) Rs 5400
c) Rs
3000 d) Rs 2500
2.
Akash invested the same amount of money in
two different banks, which pay simple interest at the rate of 8.5% and 7%,
respectively. After 4 years, the total interest received by him is Rs2480. The
total amount deposited is
a) Rs
4000 b) Rs 12000
c) Rs
11500 d) Rs 8000
3.
The simple interest on a certain sum for 9
months at 8% per annum is Rs176 less than the simple interest on the same sum
for 16 months at 10% per annum. The sum is
a) Rs
2240 b) Rs 3200
c) Rs 3520 d) Rs 2400
4.
If the simple interest on a certain sum of
money for 15 months at 8 ½% per annum exceeds the simple interest on the same
sum for 8 months at 13 ½% per annum by Rs975, then the sum of money in rupees
is
a) Rs
60,000 b) Rs 27000
c) Rs
35845 d) Rs 72685
5.
A sum was invested at simple interest at a
certain rate of 5 years. Had it been invested at a 6% higher rate, it would
have fetched Rs 1440 more. Find the principal?
a) Rs
6000 b) Rs 4800
c) Rs
5500 d) Rs 6400
6.
A certain sum of money was lent at simple
interest at a certain rate for 5 years. Had it been lent at a 3.6% p.a higher
rate, it would have fetched Rs720 more. The money lent was
a) Rs5000 b) Rs4200
c) Rs7500 d) Rs4000
7.
What is the difference between the simple
interest earned on a sum of Rs6000 at 12% p.a for 3 years and the simple
interest earned on a sum of Rs7200at 14% p.a for 2 years?
a) Rs216 b) Rs 72
c) Rs144 d) Rs 180
8.
The simple interest earned on a sum of
certain principal is Rs2800 in 5 years at 8% p.a rate of interest. What would
be the simple interest earned on 4 times the principal at the rate of 9% p.a in
4 years?
a) Rs
10080 b) Rs 2520
c) Rs11200 d) Rs12,400
9.
The simple interest accrued on an amount of
Rs 8000 at the end of 6 years is Rs 7200. What would be the S.I. accrued
on an amount of Rs20000 at the same rate and same period?
a) Rs16,250 b) Rs 17,200
c) Rs14,400 d) Rs 18,000
10.
Rs7800 was invested at 15% per annum simple
interest and a certain sum of money was invested at 8% per annum simple
interest. If the sum of the interests on both the sums after 6 years is Rs9900,
the latter sum of money is
a) Rs
4,500 b) Rs 7,500
c) Rs
6,000 d) Rs 5,500
11.
Rs33,500 is divided into 2 parts. The S.I. on
the 1st part for 4 years at 8% p.a. may be equal to the simple interest on
the 2nd part for 5 years at 7% p.a. Find the two parts.
a) Rs
17,500, Rs16,000
b) Rs
20,500, Rs 13,000
c) Rs
18,000, Rs 15,500
d) Rs
16,250, Rs 17,250
12.
A deposited Rs24,000 with a bank at a 15% per
annum rate of interest for 3 years. For how many years must B deposit Rs 30,000
at 9% p.a rate of interest with another bank so that both of them get the same
simple interest?
a) 3
years b) 6 years
c) 5
years d) 4 years
13.
A deposited Rs 18000 in a financial
institution at a 4% per annum rate of interest for 3 years. At what approximate
rate of interest must B deposit Rs16,200 for 5 years in another financial
institution so that both of them get the same simple interest?
a) 7% b) 2.7%
c) 5% d) 3.4%
14.
Lakshmi borrowed some money at the rate of 5%
p.a for the first 4 years, at the rate of 7% p.a for the next 3
years, and at the rate of 8% p.a for the period beyond 7 years, If she pays a
total simple interest of Rs3240 at the end of 12 years. How much money did she
borrow?
a) Rs4,000 b) Rs2,000
c) Rs2,500 d) Rs8,000
15.
On a principal N, the rate of interest is 8% p.a
for the first 2 years, 12% p.a for the next 5 years, and 12.5% for the next
years beyond the first 7 years. If the interest earned in 11 years is Rs10080,
find N.
a) Rs
18000 b) Rs 24000
c) Rs
8000 d) Rs12000
16.
Prasanna deposits an amount of Rs 45,000 at
the rate of 12% per annum at simple interest. What total amount will she get at
the end of 5 years?
a) Rs
72,000 b) Rs 58,600
c) Rs
65000 d) Rs 84,000
17.
A man borrowed a certain sum of money from a
lender at a 10% per annum rate of interest and cleared the loan by paying Rs
32,500 at the end of 3 years. What amount did he borrow?
a) Rs
31500 b) Rs 32500
c) Rs
25000 d) Rs 20000
18.
A sum of Rs 12000 amounts to Rs20640 in 6
years. Find the rate of interest per annum.
a) 15% b) 12%
c) 10.5% d) 21%
19.
A person deposits Rs 8,000 with a bank at an
8.5% p.a rate of interest and he receives an amount of Rs 10720 after N years.
Find N?
a) 3 b) 5
c) 6 d) 4
20.
At a certain rate of interest, a sum of money
becomes 3 times in 25 years. Find the rate of interest.
a) 8% b) 6.25 %
c) 10% d) 12.5%
21.
21. In how many
years will a sum of money become 7 times at 30% p.a simple interest?
a) 10
years b) 12 years
c) 15
years d) 20 years
22.
22. A sum of
money becomes 4 times in 12 years at simple interest. In how many years will it
become 8 times itself at the same rate?
a) 24
years b) 20 years
c) 28 years d) 21 years
23.
A sum of money becomes triple itself in 12
years at SI. In how many years will it become 5 times itself at the same rate?
a) 24
years b) 28 years
c) 20 years d) 20 years
24.
24. A sum of
money becomes 6 times itself in 15 years. How many times will it become in 30
years?
a) 12
times b) 11 times
c) 14
times d) 10 times
25.
A certain sum of money amounts to Rs4200 in 4
years and Rs5700 in 9 years. Find the principal?
a) Rs
2500 b) Rs 2700
c) Rs
3600 d) Rs 3000
26.
A certain sum of money amounts to Rs 8700 in
3 years and Rs 12300 in 7 years. Find the rate of interest.
a) 11.5% b) 15%
c) 12% d) 8%
27.
Mr.Sudheer purchased an iPhone. He paid Rs
15000 in cash and promised to pay Rs 55,800 after 4 years. If the rate of
interest is 6% p.a, what is its present price?
a) Rs60000 b) Rs 45000
c) Rs5000 d) Rs72000
28.
Rs 2000 are invested at 8% per annum simple
interest. If the interest is added to the principal after every 5 years, the
amount will become Rs 3360 after how many years?
a) 7.5 b) 8.5
c) 6 d) Can't be
determined
29.
Rs 5000 are invested at 5% per annum simple
interest. After how many years will it become Rs 10000 if the interest is added
to the principal after every 10 years?
a) 15
years
b) 16 years
8 months
c) 20
years
d) None
30.
An equal amount of sum is invested in two
saving schemes for 3 years each, both offering simple interest. When invested
in scheme A at 12% p.a, the sum amounts to Rs20,400. In scheme B, invested at
20% p.a, it amounts to Rs24,000. What is the total sum invested in the two
schemes?
a) Rs25000 b) Rs 32000
c) Rs30000 d) Rs48000
