Match the following
List I | List II | ||
A | Factors of 6 | 1 | 1,3,9 |
B | Factors of 9 | 2 | 1,3 |
C | Factors of 5 | 3 | 1,2,3,6 |
D | Factors of 3 | 4 | 1,5 |
Begining at 8.30 am the zoo starts a tour of Tiger and Elephant Enclosures. Tours of Tiger enclosures leave every 15 minutes and tours of elephant Enclosures leave every 20 minute. How often do the tours leave at the same time?
A salesman goes to New York every 15 days for one day and another every 24 days, also for one day. Today, both are in New York. After how many days will both salesmen be again in New York on the same day?