Question
The simple interest on a sum of money for 1.5 years at
10% per annum is Rs. 30 more than to the simple interest on the same sum for 1 year at 12% per annum. Find the sum.Solution
Interest for 1.5 years at 10%: SI₁ = 0.15P Interest for 1 year at 12%: SI2 = 0.12P Given: 0.15P =0.12P +30 0.03P=30 = 3000/3 =1000 The sum is Rs. 1000.
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