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Series	Missing Number
5, 10, ____, 20	15
25, 30, 35, ____	40
45, 50, ____, 60, 65	55
5, 10, 15, ___, 25	20
45, 50, 55, 60, ___	65
75, 80, ___, 90	85
85, 90, ___, 100	95
60, 65, ___, 75, 80	70
30, ___, 40, 45	35
55, ___, 65, 70	60

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