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A swimming pool has four faucets.
They fill the pool in following times :
1. The first can fill the entire pool with water in two days,
2. The second in three days,
3. The third in four days, and
4. The last one can fill the pool in 6 hours.
How long will it take to fill the pool using all 4 faucets together?
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A simple logical interview question was asked to Rahul by the interviewee:
There is exactly one week between Christmas and New Year.
Thus a New Year that occurs right after the Christmas, happens to occur on the same day as Christmas.
But in 2019, Christmas will occur on Wednesday and New Year will occur on Tuesday.
How is that possible?
Rahul was able to answer the question. Can you?
Read lessChristopher and Jonathan were having bets. Read more
Christopher and Jonathan were having bets. 
They decide that a coin will be flipped twenty times and each time it turns heads, Christopher will give $2 to Jonathan and each time it turns out to be Tale, Jonathan will give 3$ to Christopher.
After flipping for twenty times none of them won or lost any amount.
How many times did the coin landed on Heads?
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You have three buckets with capacity 4 liters, 8 liters and 10 liters