HARD
CAT
IMPORTANT
Earn 100

A sum of money invested at simple interest triples itself in 8 years. Find in how many years will it become 8 times itself at the same rate?

25% studentsanswered this correctly

Important Questions on Interest

HARD
CAT
IMPORTANT
A sum of money invested at simple interest triples itself in 8 years. How many times will it becomes in 20 years time?
MEDIUM
CAT
IMPORTANT
If â‚¹1100 is obtained after lending out â‚¹x at 5% per annum for 2 years and â‚¹1800 is obtained after lending out â‚¹y at 10% per annum for 2 years, find x+y.
HARD
CAT
IMPORTANT

A certain sum of money was lent under the following repayment scheme based on Simple interest:

8% per annum for initial 2 years.

9.5% per annum for the next 4 years.

11% per annum for the next 2 years.

12% per annum after the first 8 years.

Find the amount which a sum of â‚¹9000 taken for 12 years becomes at the end of 12 years.
MEDIUM
CAT
IMPORTANT
If a person repaid â‚¹22500 after 10 years of borrowing a loan at 10% per annum simple interest, find out what amount did he take as a loan?
HARD
CAT
IMPORTANT
An industrialist takes a loan of â‚¹500000 and had to clear it in 20 years. He repays the principal of his loan equally over the 20 years. Find the total interest paid by him in 20 years on his loan, if the rate of interest is 10% per annum simple interest?
EASY
CAT
IMPORTANT
The population of a city is 200000. If the annual birth rate and the annual death rate are 6% and 3% respectively, then, find the population of the city after two years.
MEDIUM
CAT
IMPORTANT
A part of â‚¹38800 is lent out at 6% per six months. The rest of the amount is lent out at 5% per annum after one year. The ratio of interest after 3 years from the time when first amount was lent out is 5:4. Find the second part that was lent out at 5%.
MEDIUM
CAT
IMPORTANT
If the simple interest is 10.5% annual and compound interest is 10% annual, find the difference between the interests after 3 years on a sum of â‚¹1000.