DAY 8

Today’s Challenge

Your task is to replace all 15 ?’s below with the 15 numbers shown in the list so that all five lines work out arithmetically:

?     +     ?     =     ?
?     +     ?     =     ?
?     +     ?     =     ?
?     +     ?     =     ?
?     +     ?     =     ?

1    2    2    2    3    4    5    5    6    7    7    9    10    11    12

If you enjoy this type of puzzle, further details of our brand-new e-books available for download onto smartphones can be accessed by clicking this Mathelona link.

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The 7puzzle Number Challenge

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

The 3rd & 4th rows of the playing board contain the following fourteen numbers:

3     10     13     25     32     35     36     42     44     45     54     60     66     80

From the list:

  1. What is the sum of the even numbers?
  2. How many multiples of 9 are there?
  3. List FOUR different numbers that have a sum of 100.

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Answers

. . . can be found when clicking this.

7puzzleblog

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