Instructions

What should come in place of question mark (?) in the following number series ?

Question 30

8, 4, 4, 6, 12, ?

Solution
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Multiples of 0.5 are multiplied

8 $$\times 0.5$$ = 4

4 $$\times 1$$ = 4

4 $$\times 1.5$$ = 6

6 $$\times 2$$ = 12

12 $$\times 2.5$$ = 30 

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