on a certain sum the compound interest in 2 years amounts to rs 4240. if the rates of interest for successive years are 10% and 15% respectively find the sum?
Answers
Answered by
39
Let small y be the principal
n=1
So
A=y(1+R/100)^n
=>
A=y(1+10/100)^1
A=y×11/10=>1.1y
A=1.1y
=============================
Let 1.1y is the principal
Now
A=P(1+R/100)^n
A =1.1y (1+15/100/)^1
A=1.1y×115/100
A= 1.265y
1.265y - y = 4240
Y => 16000 Ans
Hope it's helpful
n=1
So
A=y(1+R/100)^n
=>
A=y(1+10/100)^1
A=y×11/10=>1.1y
A=1.1y
=============================
Let 1.1y is the principal
Now
A=P(1+R/100)^n
A =1.1y (1+15/100/)^1
A=1.1y×115/100
A= 1.265y
1.265y - y = 4240
Y => 16000 Ans
Hope it's helpful
Answered by
10
Answer:
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