The simple interest on a sum of money will be Rs 500 after 10 years If the principal is made four ti...........

Quant (SSC) Simple Interest

The simple interest on a sum of money will be Rs. 500 after 10 years. If the principal is made four times after 5 years, what will be the total interest at the end of the tenth year?

650

975

1250

1500

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Explanation:

Simple interest for 10 years = Rs, 500
Therefore, SI for 1 year = Rs, 50
Therefore, SI for 5 years = Rs. 250
Now, if the principal is made four times, the interest will also become four times.
Therefore, SI for next 5 years = Rs, 250 x 4 = Rs, 1000
Hence, total interest after 10 years = 250 + 1000 = Rs, 1250