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

What is the difference between the sum of the first 20 terms and.the next 20 terms. of the arithmetic sequence 6,10,14,……..?

Calculate the difference between the sum of the first 20 terms of the arithmetic sequences 6,10,14,….. and 15,19,23,…….

What is the remainder on dividing the terms of the arithmetic sequence 100,107,114.... by 7?

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

Consider an arithmetic sequence with common difference 6 and 7^(th) term 52. Find the 15^(th) term of the arithmetic sequence. Is it possible to get a difference of 100 between any two terms of this sequence?

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

The sum of the first and 21^(th) terms of an arithmetic sequence is 140 .Write the sequence, If the first term is 10.

Observe the number pattern made using terms of an arithmetic sequence 2, 6,10, ... . Which term of the arithmetic sequence 2, 6,10, ... is the last number of the 20th row of the above pattern.

The sum of the first and 21^(th) terms of an arithmetic sequence is 140.What is the 11^(th) term?

The sum of the first and 21^(th) terms of an arithmetic sequence is 140.Calculate the sum of first 11 terms of this sequence,if the first term is 10.