Maria and Ben can bike around Emma Town for 15 minutes and 25 minutes respectively. If they start at the same time, after how many minutes will they meet again?
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Solution :-
Given : Maria and Ben can bike around Emma Town for 15 minutes and 25 minutes respectively.
By Prime factorisation,
15 = 3 × 5
25 = 5 × 5
LCM of 15 and 25 = 3 × 5² = 75
Hence,
They will meet again after 75 minutes.
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