Answer: Second option is correct.
Step-by-step explanation:
Let the number of fiction book be 'x'.
Let the number of non fiction book be 'y'.
Total number of books = 400
So, equation would be
Since there are 40 more fiction books than non fiction books.
So, equation would be
From Eq(1) and Eq(2), we have
And we will find the value of y:
As we have given that Ryan randomly picks one book without replacing it he picks the another book.
Probability that both pick non fiction books would be
Hence, Second option is correct.