Question

Class 7 NCERT Math ch 8​

Answer 1

Answer:

1.

$profit = \: selling \: price - \: cost \: price$

2.

Loss = Cost price - Selling price

3.

Principal = Amount - Simple or Compound Interest

4. Simple interest:

Principal x Rate x Time

__________________

100

Hope it helps.

Please mark as Brainliest

Answer 2

Answer is in the attachment

Hope it's helpful♡