Question

A class having 30 students in a class have an average of marks 28 . If every student is given 2 grace marks, the new average of the class is:

Answer 1

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NO. OF STUDENTS :

30

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AVERAGE MARKS :

28

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TOTAL MARKS :

NO. OF STUDENTS * AVERAGE

30 * 28

840

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EACH STUDENT GOT 2 MARKS MORE

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MARKS INCREASED :

NO. OF STUDENTS * 2

30 * 2

60

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TOTAL NEW MARKS :

PREVIOUS TOTAL + NEW INCREASED MARKS

840 + 60

900

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NEW AVERAGE :

TOTAL MARKS / NO. OF STUDENTS

900 / 30

30

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ANS :

..................." 30 "...............…...

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