The simple interest on a certain sum of money for 5/years at 10% per a

1.	The simple interest on a certain sum of money for 5/years at 10% per annum is₹196 less than the simplethe same sum for 4 years at 16% per annum. Find the sum.
Answer» Interest = PRT Given that interest for 5 years at 10% is Rs 196 less than 4 years at 16% ⇒ P(0.16(4) - P(0.1)(5) = 196 Solve for P: P(0.16(4) - P(0.1)(5) = 196 0.64P - 0.5P = 196 0.14P = 196 P = Rs 1400 Answer: The principal amount is Rs 1400

The simple interest on a certain sum of money for 5/years at 10% per annum is₹196 less than the simplethe same sum for 4 years at 16% per annum. Find the sum.

Answer»

Interest = PRT

Given that interest for 5 years at 10% is Rs 196 less than 4 years at 16%

⇒ P(0.16(4) - P(0.1)(5) = 196

Solve for P:

P(0.16(4) - P(0.1)(5) = 196

0.64P - 0.5P = 196

0.14P = 196

P = Rs 1400

Answer: The principal amount is Rs 1400