Question

In a famous shop "YOU & ME" a display shows the name of the shop in a particular
letter Y lightens up after a gap of 5 seconds similarly letters O, U&M, E after a mesa
3, 2, 8, 4 and 3 seconds respectively. How many times in an hour only two words "YOU"
and “ME” will lighten up and not the letter "&"?​

Answer 1

Answer:

LCM of 5,3,2,4&3=60seconds=1 min

As,

1 hour=60 min

:.No of times 'YOU'&'ME' will appear in an hour =1×60=60