Teaching KVS Junior Secretariat Assistant (LDC) Mock Test 2022 Quantitative Aptitude Average

In an examination, the mean of marks of 36 students in Mathematics was 72.50. On revisiting the marks, it was found that the marks of a student were wrongly written as 65 instead of 56, then what would be the correct mean?

1

71.50

2

72.25

3

72

4

73

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