Mr Crazyarala took a loan of Rs. 10,000 at the rate of `12%` p.a. simple interest and lent this money to is neighbour at `18%` simple interest for 2 years. If he cleared the loan in two years, then find his profit in this transaction.

Find the simple interest on Rs 500 for 3 years at 10% p.a.

If simple interest on a certain sum of money for 4 years at 5% p.a. is same as the simple interest on Rs. 560 for 10 years at the rate of 4% p.a. then find the sum of money.

A borrows Rs. 800 at the rate of 12% per annum simple interest and B borrows Rs. 910 at the rate of 10% per annum, simple interest. In how many years will their amounts of debt be equal ?

A sum of Rs. 50,000 is invested at simple interest at a rate of 15% for 2 years, what will be the simple interest on the sum?

Raju borrowed Rs 15,000 from Mahesh at the rate of 15% per annum under simple interest for 3 years. Raju lent some part of money at 20% per annum at simple interest for 3 years and the remaining part at 12% per annum at simple interest for 3 years. If the interest received payable, then find the sum he lent at 20% simple interest?

A man took a loan from a bank at the rate of 12% per annum at simple interest. After 3 years he had to pay Rs. 5,400 as interest only for the period. The principal amount borrowed by him was