The simple interest on a certain sum is one-eighth of the sum when th…

Question

The simple interest on a certain sum is one-eighth of the sum when the number of years is equal to half of the rate percentage per annum. Find the simple interest (in Rs.) on Rs. 15,000 at the same rate of simple intere…

Accepted Answer

Option C. 6,000. Answer & Solution Answer: Option C Solution: & Let sum = P & P × r × t100 = 1/8P & rt = 1008 = 252\,.....\, ( i ) & Since t = r/2 & From equation ( i ) & r × r/2 = 252 & r = 5\% & If P = 1500 & t = 8 years & S .I . = P × r × t100 & = 15000 × 8 × 5100 & = Rs . 6,000

The simple interest on a certain sum is one-eighth of the sum when the number of years is equal to half of the rate percentage per annum. Find the simple interest (in Rs.) on Rs. 15,000 at the same rate of simple interest for 8 years.

Solution