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A certain sum amounts to Rs. 21,500 in 2 years and Rs. 31,104 in 4 years at the same rate compounded annually. Find the rate and the sum. |
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Answer» Step-by-step explanation:C.I.−S.I.=18 (P(1+ 100 R ) n −P)−( 100 P×R×n )=18 Given:- P=? R=6% n=2 YEARS P(1+ 100 6 ) 2 −P− 100 P×6×2 =18 P( 100 106 ) 2 −P− 25 3P =18 1.1236P−P−0.12P=18 0.0036P=18 P= 0.0036 18 =5000 |
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