Question

a boy get 25 marks out of 80 and fails by 15 marks find the percent of passing marks

Answer 1

marks for passing
=25+15
=40

therefore, percentage of marks for passing
= 40/80 ×100%
=50%

Answer 2

Find the passing marks:

The boy scored 25 marks

He failed by 15 marks

Therefore the passing marks is 25 + 15 = 40 marks

Find the percentage of the passing mark:

Percentage = passing mark / total x 100

Percentage = 40/80 x 100 = 50%

Answer: The passing marks is 50%