Question : Vinay and Mahesh are 250 metres apart from each other. They are moving toward each other at speeds of 36 km/hr and 54 km/hr respectively. In how much time will they meet each other?

Option 1: 12 seconds

Option 2: 20 seconds

Option 3: 10 seconds

Option 4: 15 seconds

Question : Two trains whose lengths are 450 metres and 300 metres are moving toward each other at speeds of 162 km/hr and 108 km/hr respectively. If the distance between trains is 300 metres, then in how much time, these trains will cross each other?

Option 1: 14 seconds

Option 2: 35 seconds

Option 3: 28 seconds

Option 4: 21 seconds

Question : The thread of a kite makes an angle of 60° with the horizontal plane. If the length of the thread is 80 m, then the vertical height of the kite will be:

Option 1: $\frac{40}{\sqrt{3}}$ metres

Option 2: $\frac{80}{\sqrt{3}}$ metres

Option 3: $80$ metres

Option 4: $40\sqrt{3}$ metres

Question : A 100 metres long train is running at a speed of 120 km/h. The time taken to pass a person standing near the line is:

Option 1: 1 second

Option 2: 3 seconds

Option 3: 5 seconds

Option 4: 7 seconds

Question : A train 180 m long moving at a speed of 20 m/sec overtakes a man moving at a speed of 10 m/sec in the same direction. The train passes the man in:

Option 1: 6 sec

Option 2: 9 sec

Option 3: 18 sec

Option 4: 27 sec