GMA Word Problems (Rate, Time, Distance) 2

Question 1

A car travels at 60 km/h. How long does it take to travel 180 km?

Accepted Answer

3 hours

Answer

Time = Distance ÷ Speed = 180 ÷ 60 = 3 hours.

Question 2

Two trains start from opposite ends of a 300 km track and travel toward each other. Train A travels at 80 km/h and Train B at 70 km/h. How long before they meet?

Accepted Answer

2 hours

Answer

Combined speed = 80+70=150 km/h. Time = 300÷150 = 2 hours.

Question 3

A worker can complete a job in 6 hours. A second worker can complete the same job in 3 hours. Working together, how long will it take?

Accepted Answer

2 hours

Answer

Worker 1 rate: 1/6 job/hr. Worker 2 rate: 1/3 job/hr. Combined: 1/6+1/3=1/6+2/6=3/6=1/2 job/hr. Time = 1÷(1/2)=2 hours.

Question 4

A cyclist rides at 20 km/h for 2 hours and then at 15 km/h for 1 hour. What is the total distance covered?

Accepted Answer

55 km

Answer

First segment: 20×2=40 km. Second segment: 15×1=15 km. Total: 40+15=55 km.

Question 5

A train covers a distance of 240 km in 4 hours. What is its average speed?

Accepted Answer

60 km/h

Answer

Speed = Distance ÷ Time = 240 ÷ 4 = 60 km/h.

(GMA) General Mental Ability Practice Test

(GMA) General Mental Ability Practice Test

GMA Word Problems (Rate, Time, Distance) 2