In the following series of elements alphabets, number and symbols, what should come in place of the question mark (?)
Y 9 B $$\star$$ $$\star$$ W7D $$\star$$ U 5 F ?

So the pattern here is from Y we moved three places to B. From B we move back 5 places to W. Again we go 7 places to D. We move back 9 places to U. Then we move 11 places to F. Now next term will be obtained by moving 13 places to S after which we will move back 15 places to H. The number between the two is getting reduced by 2 in subsequent sequences so the number between S and H will be 3.
So required term will be S3H. Thus option 1 is the correct answer.