Maths Icse

If seven cats kill seven rats in 7 minutes, how many would be needed to kill one hundred rats in 50 minutes?
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There are 12 kids in a classroom. 6 kids are wearing socks and 4 are wearing shoes. 3 kids are wearing both. How many are bare feet?
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5 kids have bare feet

Four is half of five. True or false?
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It's true. Think roman numerals.

If it takes 5 machines 5 minutes to make 5 widgets, how long would it take 100 machines to make 100 widgets?
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5 minutes. Each machine makes a widget at a rate of 1 widget every 5 minutes.

What number do you get when you multiply all of the numbers on a telephone's number pad?
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0 (zero). Anything multiplied by 0 will equal 0.

The ages of a mother and daughter add up to 66. The mother's age is the daughter's age reversed. How old could they be? (3 possible solutions)
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51 & 15, 42 & 24, or 60 & 06

How many cats are in a small room if in each of the four corners a cat is sitting, and opposite each cat there sit three cats, and a each cat's tail another is sitting?
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Four cats, each near a tail of a cat in an adjacent corner.

A sphere has three, a circle has two, and a point has zero what?
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What goes up but never comes back down?
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Your age!

Three matches are sitting on a table. Without adding another make for three matches four. You are not allowed to break any of the matches.
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Shape the 3 matches into a roman numeral four.

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