Q. 105.0( 6 Votes )

What is the 5th term from the end of the AP 2, 7, 12, ..., 47?

Answer :

Here, First term = a = 2

Common difference = d = 7 - 2 = 5


Last term = l = 47


To find:5th term from end.


So, nth term from end is given by:


an = l - (n - 1)d


5th term from end is:


a5 = 47 - (5 - 1) × 5


= 47 - 20


= 27


5th term from the end is 27.


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