A certain sum of money doubles itself in 10 yr. In how many years will it become 3 times at the same rate of simple interest ?

A certain sum of money doubles itself in 10 yr. In how many years will

1.	A certain sum of money doubles itself in 10 yr. In how many years will it become 3 times at the same rate of simple interest ?
A.	12 yr
B.	15 yr
C.	20 yr
D.	16 yr
Answer» D. 16 yr

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A certain sum of money doubles itself in 10 yr. In how many years will it become 3 times at the same rate of simple interest ?

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