Brain Teaser Bay

An old priest fell on a bottom of the well of a church.

The well is 20 inches deep.

At day time, the old priest climbs 5-inches but when at dark he slip back 4 inches.

In how many days priest will come out of the well?

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The answer is 16 days. Because, in 15 days, he will climb 15-inch and when he climbs 5 inch more, he will be out of the well 🙂

4 fathers, 2 grand-fathers and 4 sons went to watch the movie.

What is the minimum number of the tickets they need to buy?

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The solution is 6. 2 grandfather who has two sons, are also the father of two sons( each having one son).