100+ Speed, Time and Distance Questions and Answers Pdf - 1

Question: 1

Suriya rides her bike at an average speed of 30 km/hr and reaches her destination in 6 hours. Suganya covers the same distance in 4 hours. If Suriya increases her average speed by 10 km/hr and Suganya 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) 42 minutes

(C) 47 minutes

(D) 54 minutes

Question: 2

A train covers a distance of 10 km in 12 minutes. If its speed is decreased by 5 km/hr, the time taken by it to cover the same distance will be

(A) 10 min

(B) 13 min

(C) 13 min 20 sec

(D) 14 min

Question: 3

A boy rides his bicycle 10 km at an average speed of 12 km/hr and again travels 12 km at an average speed of 10 km/hr. His average speed for the entire trip is approximately.

(A) 10.4 km/hr

(B) 10.8 km/hr

(C) 11 km/hr

(D) 12.2 km/hr

Question: 4

An athlete claimed that his timing for a 100 m dash should be corrected because the starting signal was given by a gun fired from a point 10 m away from him and the timekeeper was standing close to the gun. The error due to this could be (in seconds).

(A) 0.3

(B) 0.03

(C) 0.5

(D) 0.7

Question: 5

A thief is noticed by a policeman from a distance of 200 m. The thief starts running and the policeman chases him. The thief and the policeman run at the speed of 10 km/hr and 11 km/hr respectively. What is the distance between them after 6 minutes?

(A) 90 m

(B) 100 m

(C) 110 m

(D) 120 m