Three men start together to travel the same way around a circular track of 11 km. Their speeds are 4, 5.5 and 8 kmph respectively. When will they meet at the starting point for the first time?
- (a)After 11 hours
- (b)After 21 hours
- (c)After 22 hours
- (d)After 33 hours
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Official answer(c) After 22 hours