How to find the nth term of an arithmetic sequence

Practice Questions

GRE Quantitative Reasoning › How to find the nth term of an arithmetic sequence

Questions
5
1

Let Z represent a sequence of numbers wherein each term is defined as seven less than three times the preceding term. If , what is the first term in the sequence?

2

The first term in a sequence of integers is 2 and the second term is 10. All subsequent terms are the arithmetic mean of all of the preceding terms. What is the 39th term?

3

In a sequence of numbers, the first two values are 1 and 2. Each successive integer is calculated by adding the previous two and mutliplying that result by 3. What is fifth value in this sequence?

4

The sequence begins with the numbers and has the term defined as , for .

What is the value of the term of the sequence?

5

Consider the following sequence of integers:

5, 11, 23, 47

What is the 6th element in this sequence?

Return to subject