100+ Speed, Time and Distance Problems with Solutions - 1

Question: 1

Deepa rides her bike at an average speed of 30 km/hr and reaches her destination in 6 hours. Hema covers the same distance in 4 hours. If Deepa increases her average speed by 10 km/hr and Hema increases her average speed by 5 km/hr, what would be the difference in their time taken to reach the destination?

(A) 40 minutes

(B) 45 minutes

(C) 48 minutes

(D) 54 minutes

Question: 2

A train travels at an average of 50 miles per hour for $$2{1}/{2}$$ hours and then travels at a speed of 70 miles per hour for $$1{1}/{2}$$hours. How far did the train travel in the entire 4 hours?

(A) 120 miles

(B) 200 miles

(C) 230 miles

(D) 270 miles

Question: 3

A long distance runner runs 9 laps of a 400 metres track everyday. His timings (in min) for four consecutive days are 88, 96, 89 and 87 respectively. On an average, how many metres/minute does the runner cover?

(A) 17.78

(B) 27.78

(C) 30

(D) 40

Question: 4

A salesman travels a distance of 50 km in 2 hours and 30 minutes. How much faster, in kilometer per hour, on an average, much he travel to make such a trip in $${5}/{6}$$ hours less time?

(A) 10

(B) 20

(C) 30

(D) 40

Question: 5

A, B and C are on a trip by a car. A drives during the first hour at an average speed of 50 km/hr. B drives during the next 2 hours at an average speed of 48 km/hr. C drives for the next 3 hours at an average speed of 52 km/hr. They reached their destination after exactly 6 hours. Their mean speed was

(A) 50 km/hr

(B) $$50{1}/{3}$$km/hr

(C) $$51{1}/{3}$$km/hr

(D) 52 km/hr