Select the set of letters that when sequentially placed in the gaps of the given letter series will complete the series logically.
a___yz___bx___zc___cx___z1
yxbcz
2
xbycy
3
xybcy
4
xybcz
Select the set of letters that when sequentially placed in the gaps of the given letter series will complete the series logically.
a___yz___bx___zc___cx___z