Select the correct option that indicates the arrangement of the given words in the order in which they appear in an English dictionary.
1. Industry
2. Indent
3. Indoor
4. Indolent
5. Index
Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series.
c k _ g k c _ t _ k _ k t g _ c k _ g k
Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related to the sixth number.
127 : 11 :: ? : 16 :: 367 : 19
Select the option that is related to the third letter-cluster in the same way as the second letter-cluster is related to the first letter-cluster.
AZW : GFC :: LSM : ?