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#### Sunday Afternoon Maths LXVI

Cryptic crossnumber #2#### Sunday Afternoon Maths LXV

Cryptic crossnumber #1Breaking Chocolate

Square and cube endings

#### Sunday Afternoon Maths LXIV

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#### Sunday Afternoon Maths LXIII

Is it equilateral?Cube multiples

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Source: UKMT 2011 Senior Kangaroo

How many positive two-digit numbers are there whose square and cube both end in the same digit?

If you enjoyed this puzzle, check out Sunday Afternoon Maths LXV,

puzzles about square numbers, or a random puzzle.

puzzles about square numbers, or a random puzzle.