DAY 277

Today’s Challenge

Each of the ten letters, A-J, in the two sections below contains a subtraction calculation:

  • Section 1

E:74   J:21   G:75   A:86   C:42   I:85   F:65   B:98   H:95   D:54

  • Section 2

I:43   A:63   H:31   B:76   F:52   J:96   E:97   G:73   D:64   C:87

Which is the only letter that has the SAME answer in BOTH sections?


The 7puzzle Challenge

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

The 3rd & 5th rows contain the following fourteen numbers:

6     7     13     16     21     25     36     42     45     50     66     80     81     84

What is the difference between the two multiples of 10?



. . . can be found when clicking this.


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