7. An electronic device makes a beep after ev-ery 60 seconds. Another

1.	7. An electronic device makes a beep after ev-ery 60 seconds. Another device makes a beepafter every 62 seconds. They beeped togetherat 10.00 a.m. The next time when they wouldbeep together at the earliest one is :(a) 10.30 a.m. (b) 10.31 a.m.(c) 10.59 a.m. (d) 11.00 a.m.
Answer» Answer: An electronic device makes a BEEP after every 60 sec. Another device makes a beep after every 62 sec. They BEEPED together at 10 a.m. The time(in min) after which they will next make a beep together at the earliest is. LCM of 60 and 62 will give the time at which both DEVICES beep at same after 10.

7. An electronic device makes a beep after ev-ery 60 seconds. Another device makes a beepafter every 62 seconds. They beeped togetherat 10.00 a.m. The next time when they wouldbeep together at the earliest one is :(a) 10.30 a.m. (b) 10.31 a.m.(c) 10.59 a.m. (d) 11.00 a.m.

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An electronic device makes a BEEP after every 60 sec. Another device makes a beep after every 62 sec. They BEEPED together at 10 a.m. The time(in min) after which they will next make a beep together at the earliest is. LCM of 60 and 62 will give the time at which both DEVICES beep at same after 10.

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7. An electronic device makes a beep after ev-ery 60 seconds. Another device makes a beepafter every 62 seconds. They beeped togetherat 10.00 a.m. The next time when they wouldbeep together at the earliest one is :(a) 10.30 a.m. (b) 10.31 a.m.(c) 10.59 a.m. (d) 11.00 a.m.​

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7. An electronic device makes a beep after ev-ery 60 seconds. Another device makes a beepafter every 62 seconds. They beeped togetherat 10.00 a.m. The next time when they wouldbeep together at the earliest one is :(a) 10.30 a.m. (b) 10.31 a.m.(c) 10.59 a.m. (d) 11.00 a.m.