Question

There are 2 traffic lights A and B at different junctions. Traffic light A and Traffic light B turn red every 3 min and 5 min respectively. The traffic lights are set to start at 10 am. At what time will both the traffic lights turn red at the same time?

Answer 1

Answer:

10:15

Step-by-step explanation:

take lcm of 3,5 you will get 15 then add 15 minuts to 10 you will get as 10:15