Math, asked by priyankanayak2, 1 year ago

a certain sum of money doubles itself in 8yr .in how much time will it become 4times of itself at the same rate of interest

Answers

Answered by Obaidnasim
1
principal =x
Interest =x 
x= x*8*r/100
r=100/8
--------------= 
2x= x*n*100/8 *1/100
2=100n/800 
1600=100n
n= 16 years 
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