O-LevelMathematicsNumber4024/11 · May/June 2012 · Q92 Marks

Buses following route A leave the bus station every five minutes. Buses following route B leave the bus station every six minutes. Buses following route C leave the bus station every nine minutes. Three buses, following routes A, B and C, leave together at 13 00. What is the next time when buses following all three routes leave the bus station together?

Buses following route A leave the bus station every five minutes. Buses following route B leave the bus station every six minutes. Buses following route C leave the bus station every nine minutes. Three buses, following routes A, B and C, leave together at 13 00. What is the next time when buses following all three routes leave the bus station together?[2]

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Topic: Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source: O-Level Mathematics, May/June 2012 Paper 1 Variant 1, question 9.

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