Comments on: Navigate a Grid Using Combinations And Permutations https://betterexplained.com/articles/navigate-a-grid-using-combinations-and-permutations/ Math lessons that click Wed, 02 Jan 2019 22:11:00 +0000 hourly 1 By: Jun Huh https://betterexplained.com/articles/navigate-a-grid-using-combinations-and-permutations/#comment-362821 Wed, 02 Jan 2019 22:11:00 +0000 http://betterexplained.com/?p=205#comment-362821 In reply to Harry Petrone.

Anyone can solve this?

]]> By: George Lee https://betterexplained.com/articles/navigate-a-grid-using-combinations-and-permutations/#comment-359526 Thu, 13 Dec 2018 19:17:00 +0000 http://betterexplained.com/?p=205#comment-359526 In reply to Pawan Karki.

4^3*5^3

]]> By: George Lee https://betterexplained.com/articles/navigate-a-grid-using-combinations-and-permutations/#comment-359524 Thu, 13 Dec 2018 19:11:00 +0000 http://betterexplained.com/?p=205#comment-359524 In reply to end.

It’s counted as a 5X7 table, because we are counting the “steps” possible, and each step is between two letters. So it’s 12!/(5!*7!) which is 792.

]]> By: kalid https://betterexplained.com/articles/navigate-a-grid-using-combinations-and-permutations/#comment-351222 Wed, 03 Oct 2018 04:45:00 +0000 http://betterexplained.com/?p=205#comment-351222 In reply to Eddy Zavala.

Hi Eddy, it’s similar. In this case, you need 3 “Right” steps and 5 “Up” steps, so you are rearranging the letters

RRRUUUUU

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