Question 22
The average age of a group of 25 girls is 10year. If one girl, aged 12 years and 4 months joins the group, find the new average age of the group
Objective
Question details
- Exam body
- WAEC
- Subject
- Mathematics
- Year
- 2017
- Question no.
- #22
- Type
- Objective
More from this paper
- Q18Calculate the gradient (slope) of the joining points (-1, 1) and (2, -2)
- Q19If P(2,3) and Q)2, 5) are points on a graph, calculate the length PQ
- Q20A bearing of 320\(^o\) expressed as a compass bearing is
- Q24Simplify; \(\sqrt{2}(\sqrt{6} + 2\sqrt{2}) - 2\sqrt{3}\)
- Q25Three exterior angles of a polygon are 30\(^o\), 40\(^o\) and 60\(^o\). If the…
- Q26Simplify the expression \(\frac{a^2 b^4 - b^2 a^4}{ab(a + b)}\)