Question

A student scored 120 marks in an eamination but still failed by 55 marks.if the pass marks is 30% of the total marks .find the total marks

Answer 1

30% of  x =120 + 55

              = 175

x = 175 * 100/30

  = 550

Marks = 550

Answer 2

The total marks of examination are 550.

Given:

• A student scored 120 marks in an examination but still failed by 55 marks.
• If the pas.s marks is 30% of the total marks .

To find:

• Find the total marks.

Solution:

Step 1:

Let the total marks of examination is x.

Pas.s % is 30%.

i.e.

The student should score 30% of x.

Step 2:

He scored 120 marks but still failed by 55 marks.

So,

$\frac{30}{100} x = 120 + 55$

or

$\frac{3x}{10} = 175$

or

$3x = 1750$

or

$x = \frac{1750}{3}$

or

$\bf \red{x = 550}$

Thus,

Total marks of examination are 550.

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