Question 393532
There are 5 different sets of tens digits, 2,3,4,5,6 and there are 10 of each of them.
I will assume that they are chosen without replacement.
nCr=combination of n things taken r at a time.
(10C1*10C1*10C1*10C1*10C1)/50C5
=100000/2118760
=.0472
.
Ed