Question

Which term of an AP 3,15,27,39,.....will be 132 more than its 54th term?

Answer 1

Heya!!

Check the attachment!!☺

Answer 2

SOLUTION

We have,

First term a= 3

common difference= 12

Then as per given,

=) an= 132+ a54

=) a+(n-1)d = 132+(a+53d)

=)3+12(n-1)= 132+ (3+53×12)

=) 12n -9= 771

=) 12n= 771+9

=) 12n= 780

=) n= 780/12

=)n= 65

hope it helps ☺️⬆️