For the following questions answer them individually
Identify the segment in the given sentence which contains the grammatical error.
I don’t recognise none of the politicians who have been invited to be the speakers today.
Select the most appropriate meaning of the underlined idiom in the given sentence.
It took Rohan a long time to get the hang of the machine in the new factory.
Select the option in which the numbers are related in the same way as are the numbers in the given set.
(13, 17, 442)
Which option represents the correct order of the given words as they would appear in an English dictionary?
1. Dovetail
2. Domestic
3. Dominate
4. Donate
5. Dorsal
Select the number that can replace the question mark (?) in the following series.
65, 70, 80, 95, 115, ?, 170