Arithmetic Prog...

If three times the $$9$$th term of an A.P is equal to five times its $$13$$th term, then which of the following term will be zero.

The total two-digit numbers which are divisible by $$5$$, are

If an A.P is given by $$17, 14, ......-40$$, then $$6$$th term from the end is

How many terms are there in the sequence $$15\cfrac{1}{2}, 13, ......-47$$?

Find the $$n^{th}$$ term and, hence, the $$25^{th}$$ term of the following AP: $$2, 5, 8, 11$$,.........

If the first, second and last term of an A.P. are $$x,y$$ and $$2x$$ respectively, its sum is

If in an A.P, $${a}_{9}=0, {a}_{19}=k$$, then $${a}_{29}$$ is

The AP whose first term is 10 and common difference is 3 is

Which term of the A.P $$5,15, 25 -----$$ will be $$100$$ more than its $$31^{st}$$ term?

If $$S=18+17\cfrac{1}{3}+16\cfrac{2}{3}+.......=242$$, then the number of terms are: