in how many ways can 4 letters be chosen from the set {M,N,P,Q,S,T} if order is...

Question

Question

in how many ways can 4 letters be chosen from the set {M,N,P,Q,S,T} if order is important and no repeats are allowed?

A.360

B.30

C.120

D.15

math Statistics-And-Probability

Answer 1

Answer #1

From the given data,

Here,

6 P 4= 6!/(6-4)! = 6! /2!= 360 ways are possible.

The correct option is A.

Answer 2

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