1.

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.​

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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