Question

what sum of money invested at 7.5% per annum will yeild the same simple interest in 4 years as 5000 yeilds in 5 years at 9% per annum​

Answer 1

Answer:

5× 4 100 = 5000 × 9 × 5 100 ⇒ P 1 = 5000 × 9 × 5 × 100 100 × 7 . 5 × 4 ∴ P 1 = 7500 Hence , the required money to be invested is Rs 7 , 500 .