Average:
Average = Sum of observations / Number of observations
Average Speed :
Suppose a man covers a certain distance at x kmph and an equal distance at y kmph.
Then, the average speed druing the whole journey is [2xy/(x+y)] kmph.
Question 1
Q1. The average weight of 15 oarsmen in a boat is increased by 1.6 kg when one of the crew, who
weights 42 kg is replaced by a new man. Find the weight of the new man (in kg).
