Question

how to solve this bakwas question faslty...

Answer 1

use the formula: nPr = n! /(n-r)!

Answer 2

use this formula
n! /(n-r)!
where, n=4 and r=3
so we get, 4!/(4-3)!
= 4!/1!
= 4*3*2*1/1
= 24