Write three arithmetic sequences with 30 as the sum of the first five terms.

Write four arithmetic sequences with 100 as the sum of the first four terms.

Sum of the first five terms of an arithmetic sequence is 45. What is the third term? Write the first two terms. Write another arithmetic sequence having the sum of the first five terms as 45.

The first term of an arithmetic sequence is 1 and the sum of the first four terms is 100 . Find the first four terms:

The sum of the first five terms of an arithmetic sequence is 150 and the'sum of the first ten terms is 550 . i) What is the third term of the sequence? ii) What is the eighth term? iii) What are the first three terms of the sequence?

Write three arithmetic sequences with. sum 70 and having 5 terms.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. Find the sum of 5^(th) to 14^(th) terms.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. What is the sum of its 10^(th) to 18^(th) terms?

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. Find its 14^(th) term.

The sum of first 9 terms of an arithmetic sequence is 45 and the sum of first 18 terms is 171. What is its 5^(th) term?

What is sum of the first.20 natural numbers? ii) The algebraic form of an arithmetic sequence is 6n+5. Find the sum of the first 20 terms of this sequence.