Math, asked by priyasiv143, 2 months ago

(i) In how many of the permutations of 7 things taken 4 at a time will one thing
always occur?
(ii) Find n if nc= 36

Answers

Answered by mathgenius8

0

Step-by-step explanation:

1.7P4

7×6× 5× 4 = 840 ways

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