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5 votes
in a class of 50 students the average of marks was found be 48. when re checked one of the students mark was written as 84 instead of 48. what is the new average

2 Answers

4 votes

Answer:

..total marks 50*48=2400

the mark of one of the students was 84 instead of 48. what is the new average

(2400-48+84)/50=48.72

Explanation:

answered
User Ray Wallace
by
7.8k points
2 votes

48,72

Explanation:

(49×48+84)÷50 ok i need to put 20 leters so i sisbld

answered
User Francisco Gomes
by
8.9k points

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