Multiple Choice Questions

The average of 50 number is 40 If two numbers namely 45 and 55 are discarded the average of remainin...........

Quantitative Aptitude (CDS) Average

The average of 50 number is 40. If two numbers namely 45 and 55 are discarded, the average of remaining numbers is?

39.58

35.38

49.38

38.38

average of 50 number is 40
sum of numbers=50(40)
average of remaining 48 number is=(50(38)-100 )/48
=50(38)/48
=39.58

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