insurence exam ESIC MTS Mock Test 2022 Quantitative Aptitude Average

In an exam, the average marks of 20 students is 70. Afterwards, it is found that the marks of 2 students are taken wrong as 54 and 74 instead of 64 and 84. Find the correct average.

1
 70
2
69
3
 71
4
 72
5
 None of these
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