Arithmetic Prog...

If $$k, 2k -1$$ and $$2k + 1$$ are three consecutive terms as an $$A.P.$$ then find the value of $$k$$.

The value of $$\dfrac{1}{97}+\dfrac{2}{97}+.....+\dfrac{96}{97}$$ is:

If the $$n$$th term of an A.P is $$2n+3$$, then sum of first $$n$$ term of the A.P is

If an A.P is given by $$7,12,17,22$$, then $$n$$th term is

Which term of the sequence $$-7, -2, 3, 8,.........$$ is $$73$$?

Find common difference of the following
$$8, 15, 22, 29, .....$$

The sum of first $$20$$ natural numbers is

Find the sum of all odd natural numbers less than $$200$$.

Which of the following will not be a term of the sequence $$11,20,29,.....$$

Find the 12th term of the AP. whose first term is 9 and common difference is 10.