Question

(d) Ryan covered a distance of 42 km in 3 hrs and a further distance of 44 km in 4 hrs.
Find his average speed.
(e) A train runs for 3 hours at a speed of 55 km/h and for the next 2 hours at a speed of
65 km/h. Find the average speed of the train for the 5 hours journey.
(1) Jack earns $ 100 on the first day, S 60 on the second day, S 150 on the third day, S 80
on the fourth day and S 90 on the fifth day. What is his average earning?
(g) Sam scored 98, 25, 105, 62 and 65 runs in 5 matches. What was the average score per
match?

Answer 1

Answer:

d.42+44÷3+4=12.2km/hr