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3/4 Number series

Find the missing number: 1, 4, 9, 16, ?, 36.

Squares are involved.

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What is ten divided by two?

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Jblsays...

Squares progression:

1*1 = 1, 2*2 = 4, 3*3 = 9, 4*4 = 16, 5*5 = 25, 6*6 = 36.

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Mardonsays...

Yes why not

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