Arrange the following words as per the reverse order in a dictionary.
1. Multitude 2. Multinational 3. Multiplier 4. Multinomial 5. Multilingual

First 5 letters of all the words are same so verifying the sixth letter.

The sixth letter of Multilingual is 'l' which comes first in alphabetical order. So Multilingual is placed first in dictionary order. The sixth letter of Multitude 't' which comes later in alphabetical order. So Multitude is placed last according to dictionary order.

Among Multinational and Multinomial, the seventh letter of Multinational comes first in alphabetical order. So Multinational is placed second and Multinomial is placed third according to dictionary order. Remaining word Multiplier is placed fourth according to dictionary order.

$$\therefore\ $$The order of words according to dictionary is Multilingual, Multinational, Multinomial, Multiplier, Multitude

$$\Rightarrow$$ The reverse order of dictionary is Multitude, Multiplier, Multinomial, Multinational,Multilingual

Hence, the correct answer is Option A