Question

Pls answer the ATTACHED question
Q. 153 only
## BRAINLIEST ##

Answer 1

First Let's find the 13th term
given
a=3
d=7
13th term= a+12d
=3 + 12×7= 87

now we have to add 84 to it
87+84=171

now the equation.
3+x×7= 171
7x=168
X=168/7
=24

now add 1 to it bcz the formula is (n-1)*d

so the right answer will be 25th term

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