Q127
The mean of 5 numbers is 18. If one number is excluded, their mean is 16. Find the excluded number.
A.
25
B.
26
AnswerC.
27
D.
28
Answer: Option B
Solution
Answer: Option B
Solution:
Excluded number= (18 × 5) - (16 × 4)
= 90 - 64
= 26