in a post office scheme certain amount double the principal in 6 years. in what time will the amount become three time the principal.
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Answer:
Step-by-step explanation:
amount=2principal
so si=1
principal=1
now r=?
si=1*6*r/100
r=100/6=50/3
now
given amount=3principal
si=2
p=1
2=1*t*50/300
t=12
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