What is the sum of all positive integers up to 1000, which are divisible by 5 and are not divisible by 2?

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

The 7<sup>th</sup> and 12<sup>th</sup> term of an arithmetic progression are -15 and 5 respectiv…

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

The common difference of the A.P. $$\frac{1}{{2b}},$$ $$\frac{{1 - 6b}}{{2b}},$$  $$\frac{{1 - 12b}}{{2b}},$$ &…

What is the sum of the first 17 terms of an arithmetic progression if the first term is -20 and last term is 28?

If S<sub>n</sub> denote the sum of the first n terms of an A.P. If S<sub>2n</sub> = 3S<sub&gt…

The sum of the first 16 terms of an AP whose first term and third term are 5 and 15 respectively is