Simple Interest
Hand Out - 3
1.
Rs 2500 becomes Rs 3600 in 4 years at a
certain rate of simple interest. If the rate of interest is increased by 3%,
what amount will Rs 1500 become in 4 years?
a) Rs2340 b) Rs 3850
c) Rs
4025 d) Data Inadequate
2.
Rs 40,000 is lent in two parts, one at the
rate of 10% and another at 12%. if the annual interest received is Rs 4300.
What is the amount lent at 12%?
a) Rs
25000 b) Rs 16000
c) Rs
15000 d) Rs 24000
3.
A sum of Rs 60,000 is divided into two parts.
One part is lent at the simple interest of 15% p.a and the other at 12% p.a. At
the end of 2 years, the total amount received is Rs 76560. The sum of money
lent at 15% of simple interest is
a) Rs
36000 b) Rs 24000
c) Rs
40000 d) Rs 32000
4.
Sekharborrowed a total amount of Rs7,200,
part of it at 8% p.asimple interest and remaining at 10% p.a simple interest.
If at the end of 2 years, he paid in all Rs8520 to settle the loan amount, the
amount borrowed at 8% p.a is?
a) Rs4200 b) Rs3000
c) Rs36000 d) Rs 4000
5.
Rs 8000 becomes Rs 9920 in 3 years at a
certain rate of simple interest. If the interest rate becomes 2 1/2 times
itself, the same principal becomes after 4 years will be
a) Rs12,500 b) Rs15600
c) Rs15,200 d) Rs14400
6.
At a certain rate of simple interest, in a
certain period, the ratio of principal and amount is 5:6.After 4 years,
at the same rate of interest, the ratio of the principal and amount becomes 2
:3. Find the rate of interest
a) 5% b) 12%
c) 7.5% d) 10%
7.
Sudheer invests Rs25,000 as a fixed deposit
with a bank at the rate of 14% per annum simple interest. He has to withdraw
his total deposit after 4 years, for which the bank allows him a lower rate of
interest. If he gets Rs12000 less than what would have gotten at the end of 6
years, the rate of interest allowed by the bank is
a) 7.5% b) 9%
c) 12.5% d) 11 1/9%
8.
Kajal lends Rs50,000 to two of his friends
Ramya and Radha. She gives Rs30,000 to Ramya at 12% per annum simple interest.
Kajal wants to earn an interest of 14% on the whole. The interest rate at which
she should lend the remaining sum of money to Radha is
a) 22.5% b) 20%
c) 17% d) 16%
9.
Venkat invests money in three different
schemes for 4 years, 5 years, and 10 years at 10%, 12%, and 8% simple interest,
respectively. He gets the same interest in all the 3 schemes. What is the ratio
of his investments?
a) 6:4:3 b) 2:3:4
c) 3:4:6 d) 3:4:2
10.
A sum of Rs 14750 is lent into 3 parts. The
first is lent for 5 years at 5% pa. , the second for 4 years at 12.5% p.a
and the third for 10 years at 10% p.a. Find the first part if the amounts in
all three cases are the same.
a) Rs
6500 b) Rs 6000
c) Rs5000 d) Rs 3750
11.
A sum of Rs 2640 is lent out in three parts
in such a way that the interest on the 1st part is 5% for 2 years, the 2nd part
at 4% for 5 years, and the 3rd part at 10% for 3 years are equal.
Then the difference between the largest and the smallest sum is
a) Rs
480 b) Rs 960
c) Rs
1260 d) Rs 1200
12.
Mr.Shah lends 50% of the principal at 16% per
annum, 50% of the remaining principal at 12% per annum, and the rest at a 10%
p.a rate of interest. What would be the rate of interest, if the interest is
calculated on the whole sum?
a) 12.4% b) 13.5%
c) 15% d) 14.5%
13.
If a man receives an 8% rate of interest on ¼
of his capital, 15% interest on 3/5th of the capital at 10% on the
remaining capital, then the percentage he receives, on the whole, is
a) 11% b) 10.5%
c) 15% d) 12.5%
14.
Prasad borrows Rs20000 at 10% interest, on
reducing balance, at the start of the year. If he repays Rs3000 at the end of
each year, find the amount of loan outstanding, at the end of the third year.
a)
Rs16,690 b) Rs18,200
c) Rs14,280 d) Rs17,540
15.
A man borrows a sum of Rs 8000 at the
beginning of the year at a certain rate of interest. After 8 months, a sum of
Rs4000 more is borrowed at twice the former rate of interest. At the end of the
year, Rs1600 is paid as interest total. What is the original rate of interest?
a) 9% b) 15%
c) 18% d) 12%
