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Forum » Test category » Science club forum » Maths teasers for kids (Maths teasers for kids.........)
Maths teasers for kids
scienceclubDate: Monday, 01-Dec-2014, 3:51 PM | Message # 1
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1. Teaser
A beautiful maiden , with beaming eyes, asks of which is the number that multiplied by 3 , then increased by three-fourths of the product, divided by 7, diminished by one-third of the quotient, multiplied by itself, diminished by 52, the square root found, addition of 8, division by 10 gives the number 2 ?

2. Teaser
Out of a party of monkeys, the square of one fifth of their number diminished by three went into a cave. The one remaining monkey was climbing up a tree. What is the total number of monkeys?

3. Teaser

Out of the swans in a certain lake, ten times the square root of their number went away to Manasa Sarovara when rains started, and one eighth the number went away to the forest Sthala Padmini. Three pairs of swans remained in the tank, engaged in water sports. What is the total number of swans?

4. Teaser

On a pillar 9 cubits high is perched a peacock. From a distance of 27 cubits, a snake is coming to its hole at the bottom of the pillar. Seeing the snake, the peacock pounces upon it. If their speeds are equal, tell me quickly at what distance from the hole is the snake caught?

5. Teaser

A shopkeeper has four weights (in kg) which enable him to weigh any commodity in whole number of kilograms up to 40 kg. He uses these weights on both pans of the balance, if necessary. Find the four weights he uses.
 
scienceclubDate: Tuesday, 17-Nov-2015, 3:49 PM | Message # 2
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6. Teaser
A scientist is experimenting with bacteria that are one micron in diameter and that reproduce by dividing every minute into two bacteria. At 12:00 PM, she puts a single organism in a container. At precisely 1:00 PM, the container is full.
Now its your turn to calculate...
At what time was the container half full?
 
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