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Question 20

The mean age of 15 pupils in a class is 14.2 years. One new pupil joined the class and the mean changed to 14.1 years. Calculate the age of the new pupil.

  • A.12.4 years
  • B.12.6 years
  • C.13.2 years
  • D.14.1 years
Objective

Question details

Exam body
WAEC
Subject
Further Mathematics
Year
2010
Question no.
#20
Type
Objective
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