Question

Number of ways of selecting 6 shoes out of 8 pairs of shoes having exactly two pairs is

Answer 1

Answer:

6720

Step-by-step explanation:

Answer 2

Answer:

To select 6 shoes me and 3 pairs

But we want 2 exact pair

So it will be: 8C2

Also we need to select one different pair which isn't same

So it will be(12C2-6)

Ans=8C2×(12C2-6)

= 1680.