A sum of money doubles itself in 5 years. the number of years itwould tripple itself is
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it is triple in 7.5 years.
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sum be =x
x becomes double i.e 2x in 5 years
and it becomes double of obtained result I.e 2x will become 4x in 5 years.
but we need to find when it becomes triple of original sum.
original sum becomes triple at 7.5 years.
x becomes double i.e 2x in 5 years
and it becomes double of obtained result I.e 2x will become 4x in 5 years.
but we need to find when it becomes triple of original sum.
original sum becomes triple at 7.5 years.
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