Correct option is C
Given:
Average weight of 6 boxes = 14kg
Weight of first box = one-fifth of remaining boxes
Formula Used:
Average =
Solution:
Total weight of all boxes = 14 6 = 84
Let the weight of first box be x
Then weight of remaining boxes = 5x
Total weight = x+ 5x = 6x
6x = 84
x = 14kgs