SSC CGL 4 Sep 2016 Paper

Question : 64 of 100

Marks: +1, -0

The average age of eight teachers in a school is 40 years. A teacher among them died at the age of 55 years whereas another teacher whose age was 39 years joins them. The average age of the teachers in the school now is (in years)

Validate

Solution:

Difference between ages
= 39 – 55 = – 16 years
∴ Required average = 40 -

{16}/8

= 38 years

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