Let Rate = R% and Time = R years
Then, ( 1200 x R x R ) / 100 = 432
=> 12 R² = 432
=> R² = 36
=> R = 6
Mr. Thomas invested an amount of Rs. 13,900 divided in two different schemes A and B at the simple interest rate of 14% p.a. and 11% p.a. respectively. If the total amount of simple interest earned in 2 years be Rs. 3508, what was the amount invested in Scheme B?
A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. What is the principal?