Question

a lighthouse flashes every 12 minutes. And other lighthouse flashes every 18 minutes if the two lighthouse flashes together at 10:00 noon at what time will
they next flash together?
A)10:32
B)10:36
C)10:40
D)10:52​

Answer 1

Answer:

B is the answer

please brainlist me I need brainlist answer

12x3=36

18x2=36

Answer 2

you have to find the LCM of 12and 18then the LCM came 36 then add 36 to 10:00 am and it is 10:36 so (b) is correct