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 : Two friends, P and Q, start running around a circular track from the same point. They run in the same direction. P runs at 6 m/sec and Q runs at b m/sec. If they cross each other at exactly two points on the circular track and b is a natural number less than 6, how many values can b take?

Option 1: 2

Option 2: 1

Option 3: 4

Option 4: 3

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 : Two persons started running on a circular track at a speed of 20 m/s and 30m/s in opposite directions. If the circumference of the circular track is 100 m, find how many distinct points they will cross each other.

Option 1: 2

Option 2: 3

Option 3: 5

Option 4: 10

Question : Two runners, Sony and Mony, start running on a circular track of length 200 m at speeds of 18 km/h and 24 km/h, respectively, in the same direction. After how much time from the start will they meet again at the starting point?

Option 1: 120 sec

Option 2: 110 sec

Option 3: 100 sec

Option 4: 90 sec