The average marks of 40 students was foundto be 68 If the marks of two students were incorrectly ent...........

Quantitative Aptitude (CGL) Average

The average marks of 40 students was foundto be 68. If the marks of two students were incorrectly entered as 48 and 64

instead of 84 and 46 respectively, then what is the correct average?

This questions was previously asked in

SSC CGL 10 June 2019 Shift-2

68.25

68.15

68.45

68.35

According to the question,
Required average = $_{40}^{\left ( 40\times 68+130-112 \right )}=_{40}^{2738} =68.45$

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