at a certain rate of simple interest a certain sum of money becomes double of itself in 10 years in what time will it become trouble of itself
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let the principal be x
amount=2x
interest=2x-x= x
rate= 100×I/P×T
=100x/10x
=10
rate = 10% p.a.
amount=2x
interest=2x-x= x
rate= 100×I/P×T
=100x/10x
=10
rate = 10% p.a.
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