Question

If words are formed by taking only 4 at a time
out of the letters of the word VISWA, then the
number ofwords in which Aoccur is​

Answer 1

Answer:

120

Step-by-step explanation:

n= 5

r = 4

permutations of r items out of n will be n p r

5p4 = 5*4*3*2 = 120