EXERCISE - 1
b) If the amount is Rs6000 and the principle is Rs5400, what is the interest ? Rs600
c) Find the amount when the principle is ₹5000 & the interest is Rs300. ₹5300
d) If the amount is Rs4500 and the interest is Rs500, what is the principle ? Rs4000
2)a) Find the simple interest for the following:
a) On ₹2750 for 6 years at the rate of 5% per annum. ₹825
b) On ₹3625 for 8 years at the rate of 6% per annum. Rs1740
c) On ₹65000 for 2 years 6 months at the rate of 4% per annum. Rs6500
d) On Rs10000 for 1 year 4 months at the rate of 15/2% per annum . 1000
e) On Rs4000 for 2 years at the rate of 4% per annum . Also, find the amount. Rs32, Rs432
3) Find the amount in the following cases:
a) principle =Rs2400, time= 7 years and interest rate= 6.5%. Rs3492
b) principle= Rs 3500, time = 2years and interest rate= 8%. Rs4060
c) A man takes a loan of Rs8000 at the rate of 8% per annum. How much does he pay at the end of 3 years settle his debt ? Rs9920
4) Find the sum of money on which the interest equals
a) Rs5700 in 3 years at the rate of 4% per annum. Rs47500
b) Rs 13875 in 5 years at the rate of 6% per annum . Rs46250
c) What was the sum on which the simple interest for 5 years at the rate of 25/4% per annum is Rs125? Rs400
d) Find the sum of money that amounts to Rs11200 in 3 years at the rate of 4% per annum. Rs10000
e) Find the sum of money that amounts to Rs26000 in 5 years at the rate of interest of 6% per annum. Rs20000
5) In what time will
a) the interest on Rs6000 becomes Rs1200 at the rate of 5% per annum? 4 years
b) Rs8500 amount to Rs15385 at the interest rate of 9% per annum. 9 years
c) In how many years will Rs1250 to Rs1950 at the interest rate of 8% per annum? 7 years
d) After what time will the interest on Rs3000 be Rs600 at the rate of 5% per annum. 4 years.
6) Find the rate of simple interest if
a) the interest on Rs4000 for 3 years is Rs600. 5%
b) the interest on Rs1000 for 5 years amounts to Rs300. 6%
c) At what rate of interest per annum will the simple interest on Rs1200 in 3 years be Rs288? 8%
d) Find the rate of interest at which sum of the money gets double in 12 years. 25/3%
e) What is the rate of simple interest if
a) the interest on Rs5000 for 2 years is Rs600 . 6%
f) Rs4000 amounts to Rs4600 in 3 years ? 5%
7) Find the sum of money that amounts to :
a) Rs12000 in 4 years at the interest rate of 5% per annum. 10000
b) Rs8250 in 5 years at the interest rate 7.5% per annum . Rs6000
8)a) Find the rate of interest if a sum of money gets double in 16 years. 25/4%
b) Find the rate of interest if sum of money gets doubled in 8 years. 25/2%
c) Find the time in which a sum of money gets doubled at the interest rate 8% per annum. 25/2 years
d) Find the rate of interest if a sum of money becomes 4 times as much in 20 years. 15%
MISCELLANEOUS -1
1) A sum of Rs7000 amounts to Rs8269 in 3 years at a certain rate of interest. In what time will Rs5000 amount to Rs6500 at the same rate of interest? 5 years
2) Mr. Sharma borrowed some money from a friend at the interest rate of 8% per annum. He repaid his debt by paying Rs16800 at the end of 5 years. How much did he borrow? Rs12000
3) Lalita borrowed some money from Praveen at the rate of interest 10% per annum. She repaid her debt by paying Rs13500 after 1 year 3 months. What was sum of money borrowed by Lalita? Rs12000
4) A farmer takes a loan of Rs8400 at the simple interest of 15/2% per annum. After what time will he have to pay R10920 to clear the debt ? 4 years
5) Sameer borrows Rs60000 from Rahim. He clears his debt by returning Rs64000 to Rahim at the end of 12 months. Find the rate of interest charged by Rahim. 20/3%
6) A man took a loan of Rs 6 lakh from his friend at the simple interest rate of 9% per annum. At the end of 3 years, he cleared his debt by paying Rs3 lakh and giving his flat to his friend. What was the price of the flat? Rs462000
7) A sum of Rs35000 amounts to Rs4060 in 4 years at a certain rate of interest. In what time will Rs6000 amount to Rs7200 at the same rate of interest ? 5 years
