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Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
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Full-length FE mock with insightful analytics, weakness diagnosis, and video explanations!
05 Sep 2024, 05:14
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tortnguyen1122
why we use LCM 15,18 ?
Machine A restarts in every 15 minutes.....Machine B restarts in every 18 minutes.....So when would they restart together? A - 15, 30, 45, 60, 75, 90......B - 18, 36, 54, 72, 90......As you can see, at the 90th minute, both machines are restarting together. What we did was basically calculate the LCM of 15 and 18. 
05 Sep 2024, 14:18
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A bag contains some white and black balls. The probability of picking two white balls one after other without replacement from that bag is 14/33..
Then What will be the probability of picking two black balls from that bag if bag can hold maximum 15 balls only?
Then What will be the probability of picking two black balls from that bag if bag can hold maximum 15 balls only?
