Question

In an examination a student has to get 40% to pass. He got 50% and scored 30 marks more to pass. Find the pass mark

Answer 1

let the maximum marks be x

10%of x =30

x/10=30

x=300

passing marks =(40/100)×300

=120

Answer 2

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Let the total marks be x
ATQ
$\frac{40 \times x}{100} + 30 = \frac{50 \times x}{100} \\ 4x + 300 = 5x \\ 5x - 4x = 300 \\ x = 300 \\ so \: paing \: marks \: is \\ = \frac{40 \times 300}{100} \\ = 120$

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