A student's average marks in 5 subjects is 60. If the m... – Statistics

Statisticsmedium · Past Paper

A student's average marks in 5 subjects is 60. If the marks in the 6th subject is 90, what is the new average?

A60

B65

C70

D75

✓ Correct Answer: B — 65

Total marks for 5 subjects = 5 * 60 = 300. Total for 6 subjects = 300 + 90 = 390. New average = 390/6 = 65.

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