Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Mean of 100 items is 49. It was discovered that three items which should have been 60, 70, 80 were wrongly read as 40, 20, 50 respectively. The correct mean is
A
48
B
C
50
D
80
Text Solution
Verified by ExpertsThe correct answer is:
C
Sum of 100 items 
Sum of items added 
Sum of items replaced 
New sum 
∴ ∴ Correct mean 
.
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