Mathematical Puzzle

Draw four rectangles on a piece of paper. Put nine x’s in the four rectangles so that there is an uneven number of x’s in each rectangle. Explain it.
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A man has three sick children. he has a 24ounce bottle of medicine and needs to give each child eight ounces of the medicine. he is unable to get to the store and has only three clean containers, which measure 5, 11 and 13 ounces. The electricity is out and he has no way of heating water to wash the containers and doesn’t want to spread germs. How can he divide the medicine to give each child an equal portion without having any two children drink from the same container?
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Two cyclists began a run, one starting from Delhi and the other starting from Agra. When the riders were 180 miles apart, a fly took an interest. Starting on one cyclists shoulder, the fly flew ahead to meet the other cyclist. After reaching him the fly then turned around and yet back.
The restless fly continued to shuttle back and fourth until the pair met; then settled on the nose of one rider. The flys speed was 30 mph. Each cyclist speed was 15 mph.
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A girl is twice as old as her brother and half as old as her father. In 50 years, her brother will be half as old as his father.
How old is the daughter now ?
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A Cow is tied to a rope 4 meters long and the Cow food is 16 metres away from the Cow. How did the Cow reach the food ?
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One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?
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A number has three digits. The sum of the three digits equals 36 times of the number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third.
What is the number ?
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Respected by few, Feared and hated by many. Mistress of the entire universal reason, Master in the art of numbers. Some may have solved many of your mysteries, But there still much of them to find. What are they?
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There are three (3) digits. The tens place is 3 more than the ones place. The hundreds place is 2 more than the tens place. What is the number ?
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When they started off on the great annual picnic every wagon in town was pressed into service, each one carrying the same number of people.
Half way to the picnic ground ten wagons broke down, so it was necessary for each of the remaining wagons to carry one more person.
When they started for home it was discovered that fifteen more wagons were out of commission, so on the return trip there were three persons more in each wagon than when they started out in the morning.
How many people attended the great annual picnic?
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