Question 6
Nam has the following schedule: • Motorbike maintenance is done once every 15 days, with the first maintenance on January 5, 2025 (Sunday). • Health check-ups are done once every 20 days, with the first check-up on January 10, 2025 (Friday). Today is December 25, 2025 (Thursday). What is the next closest day after today when An has both the maintenance and the health check-up on the same day? What day of the week is that?
