Question

3000 का 12% का 20% का 40%=?

Answer 1

3000*12/100=360
360*20/100=72
72*40/100=28.8

Answer 2

$\huge\bold{\boxed{\boxed\mathbb\red{ANSWER}}}$

$= > 3000 \times \frac{12}{100} \times \frac{20}{100} \times \frac{40}{100} \\ \\ = > 30 \times 12 \times \frac{1}{5} \times \frac{2}{5} \\ \\ = > 6 \times 12 \times \frac{2}{5} \\ \\ = > 6 \times \frac{24}{5} \\ \\ = > \frac{144}{5}$