A sum of money double itself in 8 years at a certain rate. In what time it treble
itself at the same rate?
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Answer:Let the principle be 100.
Then amount will be 200.
Interest= 100
Time = 8 yrs
R=?
I=PRT/100
100=100*R*8/100
100*100/100*8=R
100/8=R
Step-by-step explanation:
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