Question 0

The mean age group of some students is 15years. When the age of a teacher, 45 years old, is added to the ages of the students, the mean of their ages become 18 years. Find the number of students in the group. 

  • A.7
  • B.9
  • C.15
  • D.42
  • E.
Objective

Question details

Exam body
JAMB
Subject
Mathematics
Year
2020
Question no.
#0
Type
Objective

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