7. In how many years will asum become triple of itself at the rate of 12% p.a?
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Answered by
1
Answer:
16.6%
Step-by-step explanation:
Let P = 100
A = 300
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Answered by
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first take out the principal be let it rs.100 and amount be thrice of principal i-e 3×100=300 and then take out the SI by subtracting Amount and Principal, after taking out SI, Let Time=SI×100/P×T and take out time by cancelling and fraction will convert into mixed fraction
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