DAY 337:

The Main Challenge

Which of these 3-digit numbers is NOT a multiple of 3?

123      234      345     456     567     678     789     890

The 7puzzle Challenge

The playing board of the 7puzzle game is a 7-by-7 grid containing 49 different numbers, ranging from 2 up to 84.

The 1st & 5th columns contain the following fourteen numbers:

8   11   13   14   18   21   22   25   27   44   55   56   60   84

What is the sum of the factors of 88 listed above?

The Factors Challenge

Which of the following numbers are factors of 337?

3    5    7    9    11    13    15    17    19    None of them

The Mathematically Possible Challenge

Using 29 and 12 once each, with + – × ÷ available, which are the only TWO numbers it is possible to make from the list below?

9    18    27    36    45    54    63    72    81    90

#9TimesTable

The Target Challenge

Can you arrive at 337 by inserting 1, 2, 3, 4 and 5 into the gaps below?

  •  (◯³×◯²–◯)÷(◯–◯) = 337

Answers can be found here.

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