Question

Birr 300 is invested at 6 simple interest per annum. How long will it
take for the interest to amonut Birr 180?

Answer 1

Answer:

10 is the answer

Step-by-step explanation:

hope it is clear

Answer 2

Step-by-step explanation:

Let the sum=P Rs.

S.I=50 Rs.

Rate of interest=5 %

Time =2 years.

S.I=

100

P×R×T

50=

100

P×5×5

P=

5×2

50×100

=500Rs.

C.I. of 500 Rs

Amount=500(1+

100

5

)

2

⇒500×

100

105

×

100

105

⇒500×

20

21

×

20

21

⇒551.25

C.I=551−500−51.25Rs

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