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A sum of money becomes 4 / 3 of itself in 6 years at a certain rate of simple interest find the rate of interest.
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Solution
Let the rate of interest is r and sum of money be x
it becomes
4x3 in 6 yrs
So, SI in 6 yrs
=4x3−x=x3
As we know that SI
=ptr100, where p=x, t=6.
or
x3=x×6×r100
or
r=509
∴r=5.56% (approx)
So, rate of interest 5.56%
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A sum of money becomes 6 times of itself in 8 years. Find the rate of Simple Interest.
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at what rate of simple interest per annum the simple interest on a certain sum becomes 2/5 times of amount in 10 years at simple interest
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Answer:
Its answer is 4.i am sure and please follow me
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Step-by-step explanation:
put the formula of simple interest
SI=P*R*T/100
You will get the answer
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