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What is different between simple and compound interest of Rs.42000 at 5/:rate for 2years |
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Answer» -step explanation:P = RS 42000 T=2 yearsLet rate = R %S.I= 100PRT = 10042000×r×2 =840 RsFor C.IA=P(1+ 100r ) n =42000(1+ 100r ) 2 =42000(1+ 10000r 2 + 50r )=42000+ 1042r 2 +840rC.I = A - P=42000+ 1042r 2 +840r−42000= 1042r 2 +840rGiven C.I−S.I=105= 1042r 2 +840r−840r=105= 1042r 2 =105=42r 2 =1050=r 2 =25r=5%C.I at 2ND YEAR = 42000(1+ 1005 ) 2 −42000=42000(1.1025−1)=4305 Rs |
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