Question : Two cars, A and B, travel from one city to another at speeds of 72 km/h and 90 km/h, respectively. If car B takes 1 hour less than car A for the journey, then what is the distance (in kilometres) between the two cities?

Option 1: 270

Option 2: 360

Option 3: 240

Option 4: 400

Question : Two men walk from a place at speeds of 9 km/hr and 12 km/hr, respectively. The first man takes 20 minutes more than the second one to cover the journey. Find the distance of the journey.

Option 1: 10 km

Option 2: 13 km

Option 3: 15 km

Option 4: 12 km

Question : Two buses travel to a place at 45 km/hr and 60 km/hr, respectively. If the second bus takes $5\frac{1}{2}$ hours less than the first for the journey, then the length of the journey is:

Option 1: 900 km

Option 2: 945 km

Option 3: 990 km

Option 4: 1350 km

Question : The distance between two places A and B is 60 km. Two cars start at the same time from A and B, travelling at speeds of 35 km/h and 25 km/h, respectively. If the cars run in the same direction, then they will meet after how many hours?

Option 1: 6.5

Option 2: 6.2

Option 3: 6

Option 4: 6.52

Question : P and Q are 27 km away. Two trains with speeds of 24 km/h and 18 km/h, respectively, start simultaneously from P and Q and travel in the same direction. They meet at a point R, beyond Q. Distance QR is:

Option 1: 126 km

Option 2: 81 km

Option 3: 48 km

Option 4: 36 km

Question : A car travels from A to B at the rate of 40 km/h and returns from B to A at the rate of 60 km/h. Its average speed during the whole journey is:

Option 1: 48 km/h

Option 2: 50 km/h

Option 3: 45 km/h

Option 4: 60 km/h