a sum of money at simple interest doubles itself in 10 years and 6 months and how much time will it become 4 times of itself at the same rate of interest
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Answered by
2
Step-by-step explanation:
Let sum=x
We know,
S.I.=
100
PRT
SI=x
Rate=
(x×6)
(100×x)
=
3
50
%
Now sum =x, S.I=3x
Rate=
3
50
%
Time
=
x×
3
50
(100×3x)
=18 years.
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2
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