Mubashir exercises every 8 days, and Ali every 4 days. Mubashir and Ali both exercised today, and they will both exercise again on the same day after ______?
- 8 days
- 4 days
- 6 days
- None of these
Explanation
To find when Mubashir and Ali will both exercise on the same day again, we need to calculate the Least Common Multiple (LCM) of their exercise days:
Mubashir: every 8 days
Ali: every 4 days
LCM of 8 and 4 = 8
They will both exercise again on the same day after 8 days.
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