Question

please solve this question please​

Answer 1

U can calculate now I hope

Answer 2

$S.I.=P \times R \times T \div 100 \\ = 685 = 650 \times r \times 2 \div 100 \\685 = 1300 \div 100 \\ 1300 \div 685 \times 100 \\ = 1.898 \times 100 \\ = 18980$