Question : Sohan and Amit started a car race from the same point in the same direction and at the same time on a circular track of length 1125 m with speeds of 36 km/h and 54 km/h, respectively. After how much time (in seconds) will they meet for the first time since the start of the race?

Option 1: 220

Option 2: 215

Option 3: 210

Option 4: 225

Question : In a circular race of 4225 m, X and Y start from the same point and at the same time, at speeds of 54 km/hr and 63 km/hr, respectively. When will they meet again for the first time on the track, when they are running in opposite directions?

Option 1: 140 seconds

Option 2: 150 seconds

Option 3: 130 seconds

Option 4: 120 seconds

Question : Having started from the same point simultaneously, two runners P and Q are running around a circular track of length 500 m in opposite directions with speeds of 6 m/s and 10 m/s, respectively. If they exchange their speeds after meeting for the first time, who will reach the starting point first?

Option 1: Q

Option 2: P

Option 3: Both P and Q will reach at the same time

Option 4: No one of the P and Q

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 : As part of his journey, a person travels 120 km at 80 km/h, the next 100 km at 40 km/h, and returns to the starting point at 75 km/h. The average speed of the person throughout the journey is:

Option 1: 63.46 km/h

Option 2: 58.74 km/h

Option 3: 68.15 km/h

Option 4: 49.58 km/h