A. 9
B. 8
C. 7
D. 6
1 to 9 = 9 * 9 = 81
1 to 5 = 5 * 10 = 50
5 to 9 = 5 * 8 = 40
5th = 50 + 40 = 90 – 81 = 9
Correct Answer: 9 ✔
Last Updated: November 18, 2019
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