engineering recuitment FSSAI Assistant Mock Test 2021 Quantitative Aptitude Number System LCM and HCF
Three traffic signals change at intervals of 48, 72 and 108 seconds respectively. They start changing simultaneously at 8:20:00 hours for the first time. At what time will they change again simultaneously?
1
8:30:00 hours
2
8:27:12 hours
3
8:40:00 hours
4
8:25:00 hours