Question
At what rate percent of simple interest will a sum of money double it self in 12 years ?
Answer: Option B
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Let sum = `x` , Then , S.I. = `x`
`:.` Rate = `((100 xx S.I.)/(P xx Y))`
=`((100 xx x)/(x xx 12)`% = `25/3`% = `8 1/3`%
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