ConceptArithmetic Progression

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#### Question

An arithmetic progression 5, 12, 19, …. has 50 terms. Find its last term. Hence find the sum of its last 15 terms.

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Write the first two terms of the sequence whose nth term is t_{n} = 3n ‒ 4.

Write first four terms of the A.P. when the first term a and the common differenced are given as follows

*a* = 4, *d* = - 3

Find the common difference of an AP, whose first term is 5 and the sum of its first four terms is half the sum of the next four terms

The 13^{th} term of an A.P. is four times its 3^{rd} term. If its 5^{th} term is 16, then find the sum of its first ten terms.

Determine the general term of an A.P. whose 7^{th} term is –1 and 16^{th} term 17

#### Reference Material

Solution for concept: Arithmetic Progression. For the course 8th-10th CBSE