Question

If compound interest on a sun of money at 8% for second year is ₹54. Find the interest for first year and principal.

Answer 1

Answer:

option is

A

15000

Let P=Rs x,R=8% then

Then interest for the first year=

100

x×8×1

=

100

8x

Then Principal foe the second year=x+

100

8

x=Rs

100

108

x

hence interest for the second year=

100

100

108

x×8×1

=Rs.

10000

864x

According to the question

⇒

10000

864x

=

100

8x

+96

⇒

10000

864x

−

100

8x

=96

⇒

10000

864x−800x

=96

⇒

10000

64x

=96

⇒64x=96×10000

⇒x=

64

96×10000

⇒x=15000