Question

This pattern repeats after every 4 numbers. Which statement

about this repeating number pattern is correct?
1 7 3 9 1 7 3 9 1 7 3 ...
The 30th number
in the pattern is 9.
The 50th number
in the pattern is 9.
The 40th number
in the pattern is 9.

Answer 1

9

Explanation:

Answer 2

The 40th number in the pattern is 9

Explanation:

If the pattern repeats after every 4 numbers, then the number 9 can be found at the 4th, 8th, 12th etc. position. Therefore, the positions of number 9 are multiples of 4.

40 is the only multiple of 4, therefore, the 40th number in the pattern is 9.