DAY 339: The Main Challenge

Clues are given to help you find a particular number from the following facts:

• I am represented by just one word when written in English,
• On one side of me is a multiple of 3, on the other side is a multiple of 4,
• When you add 8 to me, I become a square number.

Who am I? 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 4th & 6th columns contain the following fourteen numbers:

3   6   7   20   30   36   40   42   49   54   63   64   72   77

Can you find four different numbers from the list that have a sum of exactly 100? The Factors Challenge

Which is the ONLY number below that is a factor of 339?

3    5    7    9    11    13    15    17    19 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?

11    22    33    44    55    66    77    88    99    110

#11TimesTable The Target Challenge

Can you arrive at 339 by inserting 2, 3, 5, 6 and 7 into the gaps below?

•  (◯²×◯×◯)–(◯×◯) = 339   