The sum of first n odd natural numbers in

The 3<sup>rd</sup> and 9<sup>th</sup> term of an arithmetic progression are -8 and 10 respective…

If in an A.P., S<sub>n</sub> = n<sup>2</sup>p and S<sub>m</sub> = m<sup>2</…

Find the first term of an AP whose 8<sup>th</sup> and 12<sup>th</sup> terms are respectively 39 …

The sum of n terms of an A.P. is 3n<sup>2</sup> + 5n, then 164 is its

The 2<sup>nd</sup> and 8<sup>th</sup> term of an arithmetic progression are 17 and -1 respective…

How many terms are there in the GP 5, 20, 80, 320........... 20480?

The 3<sup>rd</sup> and 8<sup>th</sup> term of an arithmetic progression are -13 and 2 respective…