In an exam a student gets 30% marks and fails by 20 marks. But if he would have scored 25 marks more.Than passing he would have got 41.25%. find his full marks of paper and passing marks as well.
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Answers
Answer:
Simple distillation is a method for separating the solvent from a solution. For example, water can be separated from salt solution by simple distillation. This method works because water has a much lower boiling point than salt. When the solution is heated, the water evaporates.
Answer:
Question-
In an exam a student gets 30% marks and fails by 20 marks. But if he would have scored 25 marks more.Than passing he would have got 41.25%. Find his full marks of paper and passing marks.
Given-
1st condition-
A student gets 30% marks and fails by 20 marks.
2nd condition-
If he would have scored 25 marks more then he would have got 41.25%.
To Find-
Full marks of paper and passing marks.
Solution-
✇ Let us consider that the full marks of paper be x.
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Full marks of paper = 400
Passing marks = 170
Student Marks = 339