Question

Find simple interest on Rs1025 at 71/2%p.a. for 4.5years

Answer 1

$S.I = \frac{1025 \times \frac{71}{2} \times 4.5}{100} \\ \\ \: \: \: \: \: \: \: = \frac{1025 \times 71 \times 45}{2 \times 10 \times 100} \\ \\ \: \: \: \: \: \: \: = \frac{3274875}{2000} = { \red{1637.4375}}$

Answer 2

Answer:

Step-by-step explanation:Answer:87.5%

Step-by-step explanation:

increase in size =3.5

percentage of increment=

(3.5÷4)×100=0.875×100=87.5