Question

In an examination, there are three papers each of 100 marks. A candidate obtained 53 marks in the first
and 75 marks in the second paper. How many marks must the candidate obtained in the third paper to get an overall of 70 per cent marks?

please tell me its answer....... ​

Answer 1

Answer:

82

Step-by-step explanation:

IN FIRST EXAM 53 MARKS AND SECOND EXAM 75 MARKS IN THIRD EXAM

YOU SHOULD DIVIDE 300/70% = 90 . IF WE REMOVE 90 FROM 300

ANSWER IS 210 .NOW, ADD FIRST EXAM MARK AND SECOND EXAM

MARKS IT WILL BE 128 . NOW, SUBRACT 210-128 = 82

THEREFORE IN THIRD EXAM HE OBTAINED 82 MARKS.

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