Question

The simple interest 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 the tenth year

Answer 1

Answer:

2000 Rs

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Answer 2

Answer:

1200

Step-by-step explanation:

Let the original rate be R percent per year, the principal amount be P, time T

Given is SI = 600 = P * R * 10 / 100

Hence P*R = 6000

SI for first five years will be 300 at the end of first 5 years.

When P is trebled for next five years, the SI for those five years will be = 3P * R * 5 / 100 = [ 15* P * R ] /100 = [ 15 * 6000 ] / 100 = 900

Hence the total interest will be 300 + 900 = 1200

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