Math, asked by vaishnavi20227, 1 year ago

a sum of money double itself in 15 years in how many years will it become 8 times to itself​....
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Answers

Answered by rajupati
1
Suppose,principal be x
Here, Amount= P(1+RT/100)
or,2x=x(1+R×15/100)
or,2=(1+15R/100)
or,1=15R/100
or, R=100/15=6.6%
Again, 8x=x(1+100×T/15×100)
or,8 = 1+ T/15
or,T/15=7
Or,T÷105 yrs.

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