MEDIUM
9th ICSE
IMPORTANT
Earn 100

The present population of a town is 798600. If it increased at the rate of 10% every year, what was its population 3 years ago? 

Important Questions on Compound Interest

MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 3
The production of toys in a factory was 40,000 two years ago. The production decreased by 3% in the first year but increased by 5% in the second year. Find the present day production. 
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 4
Two years ago, a plant was 192 cm tall. At present its height is 243 cm. Find the rate of its growth.
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 5
Three years ago, the price of a plot of land was ₹120000. If the price of land increased at 10% per annum, what is its present price? 
HARD
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 6
The population of a town increases by 10% every year. If the present population is 60500, find its population after 2 years and 2 years ago.
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 7
The value of a machine depreciates every year by 5% per annum. If the present value is ₹411540, what was its value 3 year ago?
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 8
A washing machine was bought at ₹15,625 three years ago. If its value depreciates at 16% per annum, calculate its present value.
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 8
A washing machine was bought at ₹15,625 three years ago. If its value depreciates at 16% per annum, calculate its value after one year from now.
MEDIUM
9th ICSE
IMPORTANT
ICSE MATHEMATICS CLASS 9>Chapter 2 - Compound Interest>EXERCISE 2C>Q 9
The present value of some equipment in a firm is ₹109350. If the rate of depreciation is 10% per annum, how many years ago was its value  ₹150000?