Multiple Choice Questions
Unit B3
Number Sequences
For each of these questions, choose the option (A, B, C or D) that is TRUE.
1
What do you expect is the next number in the following sequence:

1,   2,   4,   7,   11,   ...

  • (A)
    15
  • (B)
    16
  • (C)
    17
  • (D)
    18
2
What is the 20th term in the sequence defined by

un = n2 − 1 ?

  • (A)
    19
  • (B)
    39
  • (C)
    399
  • (D)
    400
3
What is the formula for the nth term of the sequence

20,   17,   14,   11,   ...

  • (A)
    20 − 3n
  • (B)
    23 − 3n
  • (C)
    23 + 3n
  • (D)
    3n − 23
Total: - of marks
Check