Multiple Choice Questions

In a class of 20 students the average of their marks is 59 If one student left the class then averag...........

Quantitative Aptitude (CUET) Average

In a class of 20 students the average of their marks is 59. If one student left the class then average become 60. Find the marks of that student?

Solution:
Average increases by 1 when 1 leaves, so for 19 students::
. 59 – 19 = 40

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