Question : Menu and Daya travel from point A to B, a distance of 105 km, at speeds of 10 km/hr and 25 km/hr, respectively. Daya reaches point B first and returns immediately and meets Menu at point C. Find the distance from point A to point C.

Option 1: 35 km

Option 2: 60 km

Option 3: 45 km

Option 4: 62 km

Question : A person covers a certain distance by bus at 45 km/hr and immediately returns to the starting point by car at a speed of 80 km/hr. What is his average speed during the whole journey?

Option 1: 57.6 km/hr

Option 2: 63.2 km/hr

Option 3: 73.5 km/hr

Option 4: 45.5 km/hr

Question : A boat goes a certain distance at 30 km/hr and comes back the same distance at 60 km/hr. What is the average speed (in km/hr) for the total journey?

Option 1: 45 km/hr

Option 2: 50 km/hr

Option 3: 40 km/hr

Option 4: 35 km/hr

Question : A car starts from point A towards point B, travelling at the speed of 20 km/hr. $1\frac{1}{2}$ hours later, another car starts from the point and travels at the speed of 30 km/hr and reaches $2\frac{1}{2}$ hours before the first car. Find the distance between A and B.

Option 1: 300 km

Option 2: 240 km

Option 3: 260 km

Option 4: 280 km

Question : A man travels some distance at a speed of 12 km/hr and returns at a speed of 9 km/hr. If the total time taken by him is 2 hours and 20 minutes, the distance is:

Option 1: 35 km

Option 2: 21 km

Option 3: 9 km

Option 4: 12 km

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