(English Medium) ICSE Class 10 - CISCE Question Bank Solutions for Mathematics

Find the difference between the compound interest and the simple interest in 2 years on Rs 5,000 at 8% p.a. compounded annually.

Find the difference between the compound interest and the simple interest in 3 years on Rs 15,000 at 8% p.a. compounded yearly.

Anand borrows Rs 20,000at 9 % p.a. simple interest for 3 years. He immediately gave it to Prakash at `8 1/2 %` p.a. compound interest compounded annually.
Find Anand's loss or gain. 

Meera borrowed Rs 35,000 at 12.5% p.a. simple interest for 3 years. She immediately gave it to Archana at 12 % p.a. compound interest compounded annually. Find Meera's loss or gain at the end of 3 years.

Calculate the Amount and Cornpound Interest for the Following, when Cornpounded Annually:

Rs 12,000 for 3 years at 15 % p.a. 

Calculate the amount and the compound interest for the following, when cornpounded half-yearly: 

Rs 6,000 for `1 1/2` years at 10 % p.a. 

Calculate the amount and the compouncl interest of the following: 

Rs 9,125 for 2 years if tl1e rates of interest are 12% and 14 % for the successive years. 

Calculate the amount and the compound interest for the following: 

Rs 20,000 for 2 years if the rates of interest are `12 1/4` and `5 1/2` for the successive years.

Find the difference betlween the compound interest compounded yearly and half-yearly for the following: 

Rs 15,000 for `1 1/2` years at 12 % p.a.

Find the difference between the compound interest compounded yearly and half-yearly for the following: 

Rs 20,000 for `1 1/2` years at 16 %  p.a.

On what sum will the difference between compound interest and the simple interest for 2 years at `7 1/2` %  be Rs 22.50 ? 

On what sum will the difference between compound interest and the simple interest for 3 years at 12% be Rs 1,123.20?

The population of a town in the year 2005 was 4, 25,000. Find its population in the year 2007 if the rate of annual increase is 4% per year.

The population of a city is 1, 25,000. If the annual birth rate and death rate are 5.5% and 3.5% respectively, calculate the population of the city after 3 years.

The population of a village increases at the rate of 50 per thousand. Its population after 2 years will be 22,050. Find the present population.

In a factory the production of scooters rose to 46,305 from 40,000 in 3 years. Find the annual rate of growth of the production of scooters.

The present population of a town is 1, 15200.If it increases at the rate of `6 2/3`% per annum , find

Its population after 2 years 

The present population of a town is 1, 
0/o per annum 1, 15,200. If it increases at the rate of `6 2/3` % per annum find  
Its population 2 years ago.

A machine was purchased 2 years ago. Its value decreases by 10% every year. Its present value is Rs 19,083.60. For how much money was the machine purchased?

The population of a city is 24,000. In the next 3 years it will be 27,783. Find the rate of growth of the population.