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ICSE Class 9 Answered

1
Asked by daksh12353abh | 04 Jun, 2022, 05:49: PM
Expert Answer
S.I. = (p x N x R)/100 = (P x 2 x x 8)/100 = 4P/25
C.I. = P(1 + R/100)N - P = P(1 + 8/100)2 - P = P(27/25)2 - P = 729P/625 - P
Since, C.I. - S.I = 54.40
rightwards double arrow fraction numerator 729 straight P over denominator 625 end fraction minus straight P minus fraction numerator 4 straight P over denominator 25 end fraction equals 54.40 rightwards double arrow fraction numerator 729 straight P minus 625 straight P minus 100 straight P over denominator 625 end fraction equals 54.40 rightwards double arrow straight P left parenthesis 729 minus 625 minus 100 right parenthesis equals 625 cross times 54.40 rightwards double arrow 4 straight P equals 625 cross times 54.40 rightwards double arrow straight P equals 625 cross times 13.6 rightwards double arrow straight P equals Rs. space 8500
Answered by Renu Varma | 06 Jun, 2022, 11:56: AM

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