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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?
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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