SSC Government Jobs Exams Numerical Ability Time Distance and Speed

A and B walk around a circular track. A and B walk at a speed of 2 rounds per hour and 3 rounds per hour respectively. If they start at 8 a.m. from the same point in opposite directions, how many times shall they cross each other before 9.30 a.m.?

Options
1) 5
2) 6
3) 7
4) 8

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SSC Other Question
A train is running at a speed of 40 km/hr and it crosses a post in 18 seconds. What is the length of the train?

Options
1) 190 metres
2) 160 metres
3) 200 metres
4) 120 metres Excluding stoppages, the speed of a bus is 54 kmph and including stoppages, it is 45 kmph. For how many minutes does the bus stop per hour?

Options
1) 12
2) 11
3) 10
4) 9