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Question
Malarvizhi, Karthiga and Anjali are friends and natives of the same village. They work at different places. Malarvizhi comes to her home once in 5 days. Similarly, Karthiga and Anjali come to their homes once in 6 days and 10 days respectively. Assuming that they met each other on the 1st of October, when will all the three meet again?
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Solution
Find the LCM (5, 6, 10)
LCM (15, 25, 30) = 5 × 6 = 30
They meet again after 30 days
∴ They met on 1st October
They will meet again on 31st October
| 5 | 15, 25, 30 |
| 3 | 3, 5, 6 |
| 5 | 1, 5, 2 |
| 2 | 1, 1, 2 |
| 1, 1, 1 |
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