Question 952292
These can be done one of two ways:
a)
30-8=22
22/30 * 21*29 * 20/28 * 19/27 * 18/26 = 209/1131
.
b) the second way
nCr Combination of n things taken r at a time = n!/((n-r)!*r!)
20C5/30C5
=15504/142506
=2584/23751
.
Ed