Question

In how many years will rupess 150 double itself at 4% simple interest.

answered step by step give proper explanation for class 7.​

Answer 1

Simple lnterest = P × R × t/100

Amount = 150 ×2 = 300

Principal = 300-150 = 150

SI = 150 × 4 × t / 100

150 = 150 ×4 × t /100

6t = 150

t = 150/6

t = 25 years.