Question

The traffic lights at three different road crossings change after every 48 second 72 second and 108 second especially if they are changed simulate ministry at 8 ratio 28 is to 20 years then what will be the again change verification

Answer 1

HI THERE THE CORRECT ANSWER IS L.C.M of 48 , 72 and 108=432 sec=7 min 12 sec Req.time=8:7:12(on a 24 hour clock)  BE BRAINLY✌