Question

Abody travels half distance with a speed 18km/h and remaining half distance with a speed 36 km/h. The average speed of the body is
a) 12 km/h
b)9 km/r
c)27 km/h
d) 24 km/h

Answer 1

Answer:

b

Explanation:

36-18=18

then 18/2=9km/h

Answer 2

Answer:

c

Explanation:

36+18=54

avg=54/2

=27km/h