A bag contains 5 pens and 6 pencils. If a boy selects 2 articles from the bag then what is the probability that the selected articles will be a pen and a pencil

A bag contains 5 pens and 6 pencils.

total articles = 11

Probability (1pen) = 5/11

now, the bag contains 4 pens and 6 pencils.

therefore, Probability(1pencil)=6/10

if a boy selects two articles from the bag, then the 

Req. Probability =