Very 6. The traffic lights at three different road crossings change allechanging simultaneously at 8 a.m., after how much time will they change again simultaneously?7. A device produce a beep sound after every 13 minutes. Another device makes a beep sound after every 26minutes. They beeped together at 8 a.m. At what time will they next beep together?TEN NUIMRERSTO

Very 6. The traffic lights at three different road crossings change

1.	Very 6. The traffic lights at three different road crossings change allechanging simultaneously at 8 a.m., after how much time will they change again simultaneously?7. A device produce a beep sound after every 13 minutes. Another device makes a beep sound after every 26minutes. They beeped together at 8 a.m. At what time will they next beep together?TEN NUIMRERSTO
Answer» 8:26 a.mStep-by-step explanation:the least COMMON multiple of 13 and 26 is 26 Hence every 26 MINUTES the devices will PRODUCE beep sound TOGETHER