A amount invested in simple interest
doubles in 4 years. If the interest is
calculate compoundedly, In how many
years it will double.
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Answer:
MATHS
A sum of money double itself in 4 years at compound interest.! n how many years it will become eight times at same rate of interest
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ANSWER
A=P(1+
100
R
)
T
2x=x(1+
100
R
)
4
(1+
100
R
)=2
1/4
8x=x(1+
100
R
)
T
∵1+
100
R
=2
1/4
∴8=2
T/4
2
3
=2
T/4
4
T
=3
T=12 years
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