# Arithmetic Sequences and Series

This set of MCQs helps you brush up on important math topics and prepare you to dive into skill practice.

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In the given arithmetic progression. The first term of AP is 25 or the 11th  term is 55. The 45th  term of AP is.

163

157

132

152

The formula for the nth term of an arithmetic sequence 94, 90, 86, 82, ... is ...

Un​=48-4n

Un​=48+4n

Un​=98+4n

Un​=98−4n

An arithmetic sequence has an odd number of terms. If the first term is 4 or the last term is 20, then the middle term is.

10

12

8

6

It is known that αβand γ are the 2nd, 4thand 6th terms of an arithmetic sequence. If  +β+γ)/β+1​ = 4, then the value of β  is.

-1

-2

4

-4

It is known that αβand γ are the 2nd, 4thand 6th terms of an arithmetic sequence. If  +β+γ)/β+1​ = 4, then the value of β  is.

-1

-2

4

-4 20

25

35

45

Write an equation to describe the sequence below. Use n to represent the position of a term in the sequence, where n = 1 for the first term 1, 5, 25,

an = 5^(n + 1)

an = 1^(n − 1)

an = 5^(n − 1)

an = 5^(n − 2) 0

100,00,000

100,000

100

Quiz/Test Summary
Title: Arithmetic Sequences and Series
Questions: 8
Contributed by: 