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Select the correct answerThe S.I. on a Sum of money will be Rs.600 after 10 years. If the Principal is tripled after 5 years, what will be the total interest at the end of 10th year?OptionsRs.1210Rs.1190Rs.1100Rs.1200None of these

Question

Select the correct answerThe S.I. on a Sum of money will be Rs.600 after 10 years. If the Principal is tripled after 5 years, what will be the total interest at the end of 10th year?OptionsRs.1210Rs.1190Rs.1100Rs.1200None of these

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Solution

The problem is about Simple Interest (S.I.) calculation.

Step 1: We know that the S.I. on a sum of money will be Rs.600 after 10 years. This means that the interest for 5 years will be Rs.600/2 = Rs.300.

Step 2: If the principal is tripled after 5 years, the new principal becomes 3P (where P is the original principal).

Step 3: The interest for the next 5 years on the new principal will be 3 times the interest of the first 5 years because simple interest is directly proportional to the principal. So, the interest for the next 5 years will be 3*Rs.300 = Rs.900.

Step 4: The total interest at the end of the 10th year will be the sum of the interest for the first 5 years and the interest for the next 5 years. So, the total interest will be Rs.300 + Rs.900 = Rs.1200.

So, the correct answer is Rs.1200.

This problem has been solved

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