Mathematics · LCM and HCF
A gardener waters three rows of plants using automatic sprays. Spray A activates after every 12 minutes, Spray B after every 15 minutes, and Spray C after every 20 minutes. If they first activate together at 9:45 AM, at what time will they activate together for the sixth time (including the one at the beginning)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12:55 PM
- 22:45 PM✓
- 32:35 PM
- 41:45 PM
Correct answer
2:45 PM
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