Question 238458
it is Monday, and Harry,Sammy and Dave are all playing together in the park.
 if harry comes to the park every 3 days , sammy comes every 4 days ,
 and dave comes every 6 days, on which day of  the week will they all meet again ?

a) sunday  b)  monday c)  thursday d) friday  E)  saturday
:
Prime factor these 3 numbers, 2*2*3, = 12 days later which would be Saturday