A certain sum of money becomes three times of itself in 20 years at simple interest. In how many years does it become double itself at the same rate of simple interest ?

A certain sum of money becomes three times of itself in 20 years at si

1.	A certain sum of money becomes three times of itself in 20 years at simple interest. In how many years does it become double itself at the same rate of simple interest ?
A.	years
B.	0 years
C.	2 years
D.	4 years
Answer» C. 2 years

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A certain sum of money becomes three times of itself in 20 years at simple interest. In how many years does it become double itself at the same rate of simple interest ?

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