The mean of 5 numbers is 20. If one number is excluded, mean of the re

1.	The mean of 5 numbers is 20. If one number is excluded, mean of the remainingnumbers becomes 23, then the excluded number is
Answer» but its answers a-4. b-92. c 100. D-8 Mean of 5 numbers = 20Sum of 5 numbers = 20×5 = 100 if one is excluded, mean of 4 numbers = 23Sum of 4 numbers = 23×4= 92 The number excluded= 100 - 92 = 8 thanks

The mean of 5 numbers is 20. If one number is excluded, mean of the remainingnumbers becomes 23, then the excluded number is

Answer»

but its answers a-4. b-92. c 100. D-8

Mean of 5 numbers = 20Sum of 5 numbers = 20×5 = 100

if one is excluded, mean of 4 numbers = 23Sum of 4 numbers = 23×4= 92

The number excluded= 100 - 92 = 8

thanks