Question

Find the interest on rs 75 for 3 months at 1 paisa per rupee per month

Answer 1

the formula of simple interest

$p \times r \times t \div 100$

$si = 75$

$month \: change \: into \: year$

$3month = 3 \div 12 \: year$

$1paisa = 1 \div 100 \: rupee$

solve that
75×3×1÷100×12×100=3÷1600