A candidate scores 25% and fails by 30 marks, while another candidate scores 50% marks and pass by 20 marks. Find the passing percentage of the examination.
Answer & explanation
Correct answer: option 4
Let the total marks = x
ATQ,
x × 25 % = 50
x = 200
50 % of 200 = 100 ( 2nd candidate scored 50 % marks and pass by 20 )
Passing marks (100-20) = 80
Passing marks percentage = \(\frac{80}{200}\) x 100 = 40 %