If Mathew wants to earn a simple interest of ₹ 500 by lending money to his friend at an interest of 10% per annum for 5 years, then the money that he lend will be ₹
Given I = ₹ 500, R=10%, T = 5 years.
Using the formula I = PRT100 , we get
P=I×100T×R=500×1005×10=₹ 1000.