Time remaining:
what number belongs on top square to complete pattern

Mathematics
Tutor: None Selected Time limit: 1 Day

complete a pattern there 10 squares four rolls on bottom 4 squares left to right numbers in each square 7 5 3 5   second roll 3 squares numbers 12 8 8 next roll on top of that 2 squares  number 20 16 on top one square what number belongs in this block to complete the pattern?

Mar 17th, 2015

The number in the top square should be 36. Note that a number in a square from the third or the second row is the sum of the numbers taken from squares 'supporting' it. For example, the third row of numbers is formed as follows: 12  = 7 + 5, 8 = 5 + 3, 8 = 3 + 5. Finally, 20 + 16 = 36.

Mar 18th, 2015

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