Question 1 of 6
What is the next number in the series: 4, 13, 31, 58, _____?
Question 2 of 6
What is the next number in the series: 90, 81, 74, 69, _____?
Question 3 of 6
What is the next number in the series: 785, 664, 543, 422, _____?
Question 4 of 6
What is the next number in the series: 1875, 75, 15, 3, _____?
Question 5 of 6
What is the next number in the series: 3, 6, 24, 192, _____?
Question 6 of 6
What is the next number in the series: 365, 345, 320, 290, _____?
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