Question
In how many years will a sum of money double it self a 12% per annum ?
Answer: Option D
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Let sum = `x` , Then , S.I. = `x`
`:.` Time = `((100 xx S.I.)/(P xx R))`
=`((100 xx x)/(x xx 12))` years = `8 1/3` years = 8 years 4 months.
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