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Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

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Number Detective

Follow the clues to find the mystery number.

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Grouping Goodies

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What Number?

Age 5 to 7 Short Challenge Level:


I am less than 25.

My ones digit is twice my tens digit.

My digits add up to an even number.

What am I?