Question

5.
The can
The traffic lights at three different crossings change after every 24 seconds, 36 seconds and
48 seconds respectively. They all change simultaneously at a certain time. After how much
time these will again change simultaneously?​

Answer 1

Answer:

2.6 hour

Step-by-step explanation:

take the L.C.M

of 24,36,48 and it will be 144

then add all the seconds and you will get 252 Therefore after 252 seconds they will change