The square of a term in the arithmetic sequence '2,5,8, ……...', is '2500 .' What is its position?

Is 101 a term of the arithmetic sequence 3, 7,11, ...? What about 103?

Is 101 a term of the arithmetic sequence 13,24,35...? What about 1001?

Consider the arithmetic sequence 13,23,33,... What is its common difference?

Prove that the squares of all the terms of the arithmetic sequerice 4,7,10,….. belong to the sequence.

The sum of first n terms of an arithmetic sequence is n^2+2n What is the first term?

What is the sum ofthe first 5 terms ofthe arithmetic sequence 1, 3, 5, 7,……... ?

What is the 21^(st) term of the arithmetic sequence 21, 20, 19,......?

What is the sum of the first n term of the arithmetic sequence 1,3,5,7......?

Prove that the arithmetic sequence 5,8,11,…... contains no perfect squares.

The sum of first n terms of an arithmetic sequence is n^2+2n What is the sum of first 20 terms of this sequence?