If (p+1)th term of an A.P. is twice the (q+1)th term, show that (3p+1)th term is twice the (p+q+1)th term.

If (m + l)th term of an A.P. is twice the (n + l)th term, prove that (3m + l)th term is twice the (m + n + l)th term.

If (p+q)^(th) term of an A.P. is m and (p-q)th term is n, then the pth term is:

In an A.P. the 24^(th) term is twice the 10^(th) term. Prove that 72nd term is twice the 34th term.

The 6th term of an A.P. is 12 and the 8th term is 22, Find the 10th term.

If 7 times the 7th term of an A.P. is equal to 11 times its 11th term, show that the 18th term of the A.P. is zero.

The 7th term of an A.P. is zero. Prove that 25th term is twice the 16th term.

If 9th term of an A.P. is zero, prove that its 29th term is double the 19th term.

If mth term of an AP is 1/n and its nth term is 1/m , then show that its (mn)th term is 1