Question

10. 1200 is invested at 8% simple interest per annum. In how much time will it double itself​

Answer 1

Step-by-step explanation:

Given P = 1200, R = 8%, Amount = 1200 + 1200 = 2400. We know that SI = A - P. = 12.5 years

Answer 2

Step-by-step explanation:

Given P = 1200, R = 8%, Amount = 1200 + 1200 = 2400.

We know that SI = PRT/100

We know that SI = A - P.

A - P = PRT/100

2400 - 1200 = 1200 * 8 * T/100

1200 = 96T

T = 1200/96

= 12.5 years.

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