Word Problem 6

Problem 6: A man invests a certain amount in a project at 4% per anum simple interest. After 5 years he gets Rs 3600. What amount he invested?

Solution:

Suppose investment is ‘x” i-e initial amount P;

Time Period of investment;

Rate of interest R;

We know relation or formula for interest;

Put values;

Also we know ;

But 

Put values of ‘A’, ‘P’ and ‘I”

Solving for ‘x’

So, he invested Rs 3000/-