Question

. The speed for the first 1/3rd of the journey is 10 m/s, the speed for the next 1/3rd
of the journey is 20 m/s and for the final 1/3rd of the journey is 30 m/s. If the average
speed of the overall journey is 18x/11 m/s. Find the value of x.

A5
B 10
C 15
D 20​

Answer 1

Answer:

5 is the option A answer hhjllkjhu