Statistics And Probability Question 36
Question: The mean of 5 numbers is 18. If one number is excluded, their mean becomes 16. Then the excluded number is
[Pb. CET 2001]
Options:
A) 18
B) 25
C) 26
D) 30
Show Answer
Answer:
Correct Answer: C
Solution:
Sum of total number = 18 × 5 = 90 After one number excluded Sum of total number = 16 × 4 = 64 Then, excluded number is 90 - 64 = 26.
BETA
