If the mean of x, 7, 12, 13 and 15 is 10.4, find the value of x
A.
4
B.
5
C.
6
D.
7
E.
8
Answer: B
To see detailed solution to this question and thousands of other questions offline, download TestDriller BECE. Practice rigorously for BECE, enjoy educational games, dictionary, compete with your peers, win prizes and more.