The average of a group of 9 numbers is 68. If one of the num

Please wait...
THANKU FOR BEING A PART OF OUR JOURNEY TO BRING "REVOLUTION IN EDUCATION"
We Genuinely APPRECIATE your PATIENCE

SKINS
ADS

Red
Pink
Purple
Deep Purple
Indigo
Blue
Light Blue
Cyan
Teal
Green
Light Green
Lime
Yellow
Amber
Orange
Deep Orange
Brown
Grey
Blue Grey
Black
White

Coming Soon

50

M: +1.00/-0.00

The average of a group of 9 numbers is 68. If one of the numbers is replaced by a new number, the average becomes 72. What is the difference between the new number and the old number?

[DSSSB PRT 2017]

A 4

B 8

C 16

D 36