Arithmetic Prog...

The common difference of the A.P. $$3, 5, 7,....$$ is _________.

Which term of the sequence 4, 9, 14, 19, ..., is 124 ?

Find the common difference of  $$4,\dfrac{15}{2}, 11$$

The common difference of the A.P.: 3, 5, 7, ..... is __.

A conference hall has nine rows of chairs which are in AP. If the sum of chairs of first five consecutive rows is $$230$$ and $$7th$$ row has $$52$$ chairs, then the number of chairs in first row is

Riya arranged her magazines collection in three columns so that the number of magazines in columns form an $$AP$$. If the sum of number of magazines in all three columns is $$18$$ and the number of magazines in last column is $$9,$$ then first column has ____ number of magazines.

If the sum of first $$2n$$ terms of the A.P. 2,5,8,... is equal to the sum of first $$n$$ terms of the A.P. 57, 59, 61,... ,then $$n$$ equals

If $$m^{th}$$ term of an A.P. is $$n$$ and $$n$$th term is $$m$$, then the $$r^{th}$$ term is

If the sum to n terms of an A.P. is $$3n^2+5n$$ while $$T_m=164$$, then value of m is

If $$m$$th term of an A.P. is $$n$$ and $$n$$th term is $$m$$, then the $$(m + n)$$th term is