Select the correct option that will fill in the blank and complete the series.
145, 100, 65, 40, ?
145, 100, 65, 40, ?
145-100 = 45
100-65 = 35
65-40 =Â 25
40-15 = 25
So, there is a difference of 15,25,35,45 between each numbers.
Option D is correct.
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