Question

20% of ₹450-15% of ₹300 is:​

Answer 1

Answer:

20 % of 450 ===> 450 × 20 /100 ==> 90

15 % of 300 ===> 300 × 15 /100===> 45

now 90 - 45 = 45 is the required answer

Answer 2

Answer:

$20\% \: of \: 450 \: = \frac{20}{100} \times 450 \\ \\ = > 2 \times 45 = 90 \: \: \: \: \: ......(1) \\ \\ \\ \\ 15\% \: of \: 300 = \frac{15}{100} \times 300 \\ \\ = > 15 \times 3 = 45 \: \: \: \: \: .......(2) \\ \\ then \: according \: to \: the \:question \: subtract \: (1) \: and \: (2) \\ \\ = > 90 - 45 \\ = > 45 \: answer$