Question

If a student scores 25% marks, then he is failed by 210marks. But if he scores 55% marks he is passed with 240marks .Find the passing Percentage?

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Answer 1

here is your answer...

Given :

A student scored 25% marks then he is failed by 210 marks.

But he scores 55% then he is passed with 240 marks.

Let the maximum marks be x

According to the question,

25% of x + 210 = 55% of x - 240

=> 0.25x + 210 = 0.55x - 240

=> 0.25x - 0.55x = - 240 - 210

=> - 0.30x = - 450

=> x = - 450/- 0.30 = 1500

Find the passing percentage :-

Pass marks = 25% of 1500 + 210

= 375 + 210

= 585

Pass percentage = (pass marks × 100)/Maximum marks %

= (585 × 100) / 1500 %

= 58500/1500 %

= 39 %

Hence,

Passing percentage = 39%

thanks

Answer 2

Answer:

Answer is 39%

Step-by-step explanation:

Given :

A student scored 25% marks then he is failed by 210 marks.

But he scores 55% then he is passed with 240 marks.

Let the maximum marks be x

According to the question,

25% of x + 210 = 55% of x - 240

=> 0.25x + 210 = 0.55x - 240

=> 0.25x - 0.55x = - 240 - 210

=> - 0.30x = - 450

=> x = - 450/- 0.30 = 1500

Find the passing percentage :-

Pass marks = 25% of 1500 + 210

= 375 + 210

= 585

Pass percentage = (pass marks × 100)/Maximum marks %

= (585 × 100) / 1500 %

= 58500/1500 %

= 39 %

Hence,

Passing percentage = 39%

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