Answer: The value of m is 29.
Step-by-step explanation:
Given that, One term of
is
...(i)
We know that that (r+1)th term in
is given by :-
...(ii)
On comparing (i) with (ii) , we get

i.e.

Hence, the value of m is 29.
The answer to Q1 along with an explanation is shown in the picture;
Having a look at all the questions, they are all essentially the same type so can all be solved similarly;
So by following the method and explanation, you should be able to do the rest of the questions.