The Neon signboard of a jewellery shop has three colours, the logo of the shop in red, the name of the shop in green, and the picture of some jewellery in yellow. The logo comes on every 20 seconds, the name every 24 seconds, and picture of the jewellery shines after every 12 seconds. All these three lights were switched on together. After how much time will all these three light up together? I will mark you the brainliest
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Answer:
The answer is the L.C,M of 20, 24 and 12=120
1 minute=60 seconds
2 minutes = 120 seconds
Therefore after every 2 minutes
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