Question

an intrest of 170 at 2 ½ per annum when the principal is 160​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

Let the sum=P Rs.

S.I=50 Rs.

Rate of interest=5 %

Time =2 years.

S.I= P×R×T/100

50= P×5×5/100

P= 50×100/5×2 =500Rs.

C.I. of 500 Rs

Amount=500(1+ 5/100) 2

⇒500× 100/105 × 100/105.

⇒500× 21/20 ×21/20

⇒551.25

C.I=551−500−51.25Rs.

Step-by-step explanation:

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