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In the array below, in how many different ways can we start with the letter A and move from letter to letter (horizontally, vertically, or diagonally), to spell the word "ARCH"?

 

    A

  RRR

 CCCCC

HHHHHHH

 Oct 5, 2022
 #1
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There is one choice for row 1

Three choices for row 2

5 choices for row 3

7 choices for row 4

1 x 3 x 5 x 7 = 105 ways

 Oct 5, 2022

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