All Puzzles
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I ask people at random if they have two children and also if one is a boy born on a tuesday. After a long search I finally find someone who answers yes.
What is the probability that this person has two boys?
Assume an equal chance of giving birth to either sex and an equal chance to giving birth on any day.
View SolutionSubmit Solution- 1,041.5K views
- 2 answers
- 0 votes
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A man is as old as his friend will be when the man is twice the age that the friend was
when the man’s age was half the sum of their present ages.What are their ages?
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- 1 answers
- 0 votes
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How to measure exactly 4 gallon of water from 3 gallon and 5 gallon jars.
You have unlimited water supply from a running tap.
measure 4 gallon water using 3 and 4 gallon jar.View SolutionSubmit Solution- 1,051.1K views
- 1 answers
- -1 votes
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Every day, Jack arrives at the train station from work at 5 pm.
His wife leaves home in her car to meet him there at exactly 5 pm, and drives him home. One day, Jack gets to the station an hour early, and starts walking home, until his wife meets him on the road. They get home 30 minutes earlier than usual.How long was he walking?
Distances are unspecified. Speeds are unspecified, but constant.
Give a number which represents the answer in minutes.View SolutionSubmit Solution- 1,050.6K views
- 1 answers
- 0 votes
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You have 10 identical bottles of identical marble. Each bottle contain hundred of marbles. Out of 10 bottles 09 have 1 gram of marbles but 01 bottle has marbles of weight of 1.1 gram. Given a measurement scale, how would you find the heavy bottle? You can use the scale only once.
View SolutionSubmit Solution- 1,053.2K views
- 1 answers
- 0 votes
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A soda company makes different flavours of soda. Last year, the company produced the same number of bottles of each flavour. If the company produced 84,958bottles of sodain all last year.
how many different flavours could the company make?
View SolutionSubmit Solution- 1,057.8K views
- 2 answers
- -1 votes
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Use a mathematical symbol between 5 and 9, to get a number greater than 4 and Lesser than 8.
(Note – Trick)
View SolutionSubmit Solution- 1,058.2K views
- 2 answers
- 0 votes
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Find a secret 10-digit number where the first digit is equal to number of zeros in the number, the second digit is equal to number of one in the number and so on, until the tenth digit which is equal to number of nines in the number.
View SolutionSubmit Solution- 1,057.6K views
- 1 answers
- 1 votes