Question : A and B start running at the same time and from the same point around a circle. If A can complete one round in 40 seconds and B in 50 seconds, how many seconds will it take to reach the starting point simultaneously?

Option 1: 10

Option 2: 200

Option 3: 90

Option 4: 2000

Question : In a circular race of 1600 m, A and B start from the same point and at the same time at speeds of 27 km/hr and 45 km/hr, respectively. After how long will they meet again for the first time on the racetrack, when they are running in the same direction?

Option 1: 90 seconds

Option 2: 320 seconds

Option 3: 240 seconds

Option 4: 180 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 : Racer A and Racer B run a race of 18 km on a circular track of length 800 m. Both complete one round in 200 seconds and 250 seconds, respectively. After how much time from the start will the faster person meet the slower person for the last time?

Option 1: 2700 seconds

Option 2: 4000 seconds

Option 3: 2250 seconds

Option 4: 1800 seconds

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 : 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