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RRB Paramedical Staff Nurse Model Paper 10

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Question : 60

Total: 100

A, B and C start together from the same point to travel around a circular island 30 km in circumference. A and B are travelling in the same direction and C is in the opposite direction. If A travels 5 km, B travels 7 km and C travels 8 km in an hour, then they all come together again after :

20 hours
25 hours
30 hours
15 hours

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