Sequences and Series Quiz

1. What is the next number in the sequence: 2, 4, 6, 8, 10, ___?

A) 11 B) 12 C) 14 D) 13

2. The sequence 3, 6, 12, 24, 48 is a:

A) Geometric sequence B) Arithmetic sequence C) Fibonacci sequence D) Prime sequence

3. The common difference in the arithmetic sequence 5, 9, 13, 17... is:

A) 4 B) 5 C) 4 D) 3

4. In a geometric sequence with first term 3 and common ratio 2, the 4th term is:

A) 12 B) 24 C) 18 D) 27

5. The Fibonacci sequence starts: 1, 1, 2, 3, 5, 8... What comes next?

A) 13 B) 11 C) 15 D) 12

6. The sum of the first n natural numbers is:

A) n^2 B) n + 1 C) n(n+1)/2 D) 2n

7. What type of sequence is: 1, 4, 9, 16, 25...?

A) Arithmetic B) Neither arithmetic nor geometric C) Neither arithmetic nor geometric (it's quadratic) D) Geometric

8. The sum of a geometric series with first term 1 and ratio 2 for 5 terms is:

A) 31 B) 15 C) 10 D) 32

9. An arithmetic sequence has a1 = 5 and d = 3. What is the 10th term?

A) 32 B) 35 C) 38 D) 41

10. The sequence: 1, 1, 2, 3, 5, 8, 13 is called:

A) Fibonacci sequence B) Geometric sequence C) Arithmetic sequence D) Harmonic sequence

Sequences and Series Quiz Quiz