For the first 5 hours of a trip, a car averaged 120 kilometers per hour. For the remainder of the trip, the car traveled an average speed of 180 kilometers per hour. If the average speed for the entire trip was 170 kilometers per hour, how many hours long was the entire trip?

Mr Warner traveled for 2.5 hours at 48 mph. If he traveled ²⁄₅ of a very long bridge. For remaining bridge, he reduced his speed by quarter.

                                Quantity A                                                       Quantity B

    Time required to travel remaining bridge                               5 hours

Mr A and MR B both departed City X at noon. A traveled at 100km/hr and B at 75 km/hour. If A arrived in City Y 1 hour earlier than B, what is the distance, in Kilometers, from City X to City Y?

Tony and Bob are 42 miles apart. At noon, they begin walking towards each other. If Bob's walking speed is 3 miles per hour, and Tony's walking speed is 4 miles per hour, how many hours will it take before they meet?

City A and City B are connected by a straight, 420-mile road. At noon, Sana left City A for City B; and Ali left City B for City A. If Sana travels at 56 miles per hour and Ali travels at 49 miles per hour, how many miles apart will they be 1 hour before they meet?

Hassan travels from Town A to Town B at an average speed of 20 miles per hour, and then he immediately returns to Town A at an average speed of 80 miles per hour. What is his average speed for the entire trip?

While driving from A-ville to B-town, Harris drove at a constant speed of 115 kilometers per hour. Upon arriving in B-town, Harris immediately turned and drove back to A-ville at a constant speed of 135 kilometers per hour. If the entire trip took 5 hours, how many minutes did it take him to drive from A-ville to B-town?

At noon, Sara and Bob leave from the same location and head towards Town A. If Sara travels at 36 miles per hour, and Bob travels at 42 miles per hour, how far apart will they be in 4 hours and 25 min?

BMW and Ferrari are 2700 miles apart along the same route and traveling towards each other at 150 mph and 300 mph respectively. After certain time, both cars met at certain point. If BMW starts 1 hour earlier than Ferrari, how many miles does BMW covers till both cars met?

Salman took 7 hours to travel some part of the journey. If he travel rest of the journey with ¹⁄₄ part slower of usual speed, how many hours will he take to complete the remaining journey, provided that the average speed of the entire journey is ¹⁄₅ part slower of usual speed?

Maria usually take 30 min to travel from his home to office at some speed. She increase her speed by 50 mph on a special day.

                                Quantity A                                                       Quantity B

    Time required to travel on a special day                               20 minutes

A train takes 15 minutes to cross a bridge at 75 mph, and at the same speed takes 10 minutes to cross the same bridge when the train's length is halved.

              Quantity A                                           Quantity B

      Length of the bridge                       Original length of the train

Sara enjoyed while two days boating on a beautiful river. On second day, she paddled 2 hours longer with an average speed of 2 mph faster than she paddled on the first day. If Sara traveled 50 miles in total and spend 12 hours paddling, what was her average speed on the first day?

Car A drives at an average speed of 85 miles per hour from Valle to City, that are 136 miles apart. Car B drives from City along the same route to Valle at 60 miles per hour, and then immediately returns to City at the same speed and on the same route. Both cards arrive at City together.

                          Quantity A                                                       Quantity B

    How close was car B to reach Valle                                   85 miles

If a taxi driver charges a cents for the first quarter-mile of a trip and ^a⁄₅ cents for each additional quarter-mile. how much he charge, in cents, for a trip whose distance in miles is the whole number x?

Mr A drove to work at an average (arithmetic mean) speed of 90 miles per hour. After work, he drove home at an average speed of 60 miles per hour. If Mr A spent a total of 5 hours commuting to and from work, how many miles does he drive to work?

Mr A starts jogging from point O to point E. A half-hour later his brother Mr B who jogs 3 mile per hour slower than twice A's speed and starts from the same point and follows the same path. If B overtakes A in 3 hours, how many miles will Mr B have covered?

It took Maria 6 hours to ride her bike a total distance of 120 miles. For the first part of the trip, her speed was constantly 25 miles per hour. For the second part of her trip, her speed was constantly 15 miles per hour. For how many miles did she travel at 25 miles per hour?

A car travel at 45 mph from 10am to 1pm. And then it travel at 60 mph from 1pm to 4pm. What is the average rate of the entire journey of the car?

If Mr Omer moves his bike 25 mph faster than the present speed, he will take ¹⁄₄ less time to reach his office from home. What is the present speed of his bike?