A sum becomes double in 5 years in C.I. When will it become 8 times at the same rate of interest ?
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Answered by
0
Answer:
20 years will be the answer
Answered by
0
Answer:
15 year (B)
Step-by-step explanation:
let sum=P
Time=2 Years
Amount=2P
According to the question
⇒P(1+
100
r
)
5
=2P
⇒(1+
100
r
)
5
=2
Cubic both side we gets
⇒(1+
100
r
)
15
=8
⇒P(1+
100
r
)
15
=8P
Hence,in 15 Years amount to eight times itself.
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