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Find the value of n, whereas n (i) n - 1P3 : n + 1P3 = 5 : 12

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in Permutations and Combinations by (48.0k points)

Find the value of n, whereas n

(i) n - 1P3 : n + 1P3 = 5 : 12

(ii) nP6 = 10.nP5

(iii) 56Pn + 6 : 54Pn + 3 = 30800

(iv) 6 + nP2 : 6 - nP2 = 56 : 12

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(i) n - 1P3 : n + 1P3 = 5 : 12

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