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A Sum Of Money Becomes 2.5 Times Itself At 12.5% Simple Interest P.a. The Period Of Investment Is? |
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Answer» <P>LET the PERIOD is 'T' and Sum= 'P'. As given money become 2.5. => 2.5 * P = P + S.I => S.I = 1.5 * P -------------- (1) => S.I = (P * T * 12.5)/100 -----------(2) By eq. (1) and (2) => 1.5 * P = (P * T * 12.5)/100 => T=12 years. Let the period is 'T' and Sum= 'P'. As given money become 2.5. => 2.5 * P = P + S.I => S.I = 1.5 * P -------------- (1) => S.I = (P * T * 12.5)/100 -----------(2) By eq. (1) and (2) => 1.5 * P = (P * T * 12.5)/100 => T=12 years. |
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