Arrange the following words as per their order in an English dictionary.
1. Respond
2. Revise
3. Remember
4. Repeat
5. Repeal
6. Regret

1. Respond, 2. Revise, 3. Remember, 4. Repeat, 5. Repeal, 6. Regret​​

​Logic:

All words letter have 'Re'. (Common in all words)

G → M → P → P → S → V (Dictionary order)

The 3rd and 4th  letters are the same ('ea')

'l' comes before 't'.

So, the correct sequence is 6, 3, 5, 4, 1, 2.

Thus, the correct answer is (b).