Question

7. In how much time will the simple interest on 8,000 at 12% per annum be rupees 250 ?​

Answer 1

SI

A

Amount - 8000

Rate 12%

Let year x

⇒ Amount = SI

A

+P

A

⇒

100

8000×12×x

B

Amount 9100

Rate 10%

let year x

Amount

B

=SI

B

+P

B

100

9100×10×x

⇒960x+8000=910x+9100

960x−910x=9100−8000

50x=1100

x=22

After 22 yeras, Amount will be equal

Answer 2

Answer:

time = 25/96 years

Step-by-step explanation:

let time be t

SI = (P×R×t)/100

250 = (8000 × 12 × t) / 100

t = (250 × 100) / (8000 × 12)

t = 25/96 years