Question

Rupees 1600 is invested for 2 yrs 6 months at 8 1/2 % per annum simple interest. find the interest and the amount.

Answer 1

Step-by-step explanation:

Simple interest = PTR/100

= 1600 * 5/2 * 17/2 / 100

= 16 * 85/4

= 4*85 = 340 rupees

Amount = principle + Simple interest

= 1600 + 340

= 1940 rupees

Answer 2

Answer:

Interest = Rs. 340

Amount = Rs. 1940

Step-by-step explanation:

principal  P = 1600

No. of years    n = 2.5 years

Interest rate   r = 8.5 %

simple interest     I = Pnr / 100  

  I = 1600*2.5*8.5 / 100

  I = Rs. 340

Amount = P + I

             = 1600 + 340

             = Rs. 1940