Kamal and anand each lent the same sum of money for 2 years at 5% at simple interest and compound interest respectively . Anand received 15 Rs more than Kamal. Find the sum of money lent by each and the interest.
(USING VARIABLE)
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Step-by-step explanation:
Lets money lend by kamal and anand is x
so intrest recived by kamal=x(
100
5×2
)=
10
x
Rs
intrerst receive by anand=x(1+
100
5
)
2
-x= x(
100
105
)(
100
105
)-x=
400
441x
-x
AS per Ques. kamal and anand intt diff 15 Rs
so
400
441x
−x-
10
x
=15
441x-400x-40x=6000
x=6000
so each lend Rs 6000
Intt of kamal=
10
6000
=600 Rs
Intt of Anand=6000(1+
100
5
)
2
-6000=615 Rs
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