Question

For what value of n are the n terms of two A.P.’s 63, 65, 67, … and 3, 10, 17, … equal?<br />
OR<br />
If m times the mth term of an A.P. is equal to n times its nth term, then find the (m + n)th term of the A.P.

Answer 1

answer for the first then second is in another pic