What should come in place of the question mark (?) in the following number series?
16 8 12 30 105 ?
Select the correct option:
A) 387.5	B) 470.5	C) 367.5	D) 472.5	E) None of these
Explanation:   16*1/2= 
<gadget id="calculator">16*1/2</gadget>
<output>8</output>
8   8*3/2= 
<gadget id="calculator">8*3/2</gadget>
<output>12</output>
12   12*5/2= 
<gadget id="calculator">12*5/2</gadget>
<output>30</output>
30   30*7/2= 
<gadget id="calculator">30*7/2</gadget>
<output>105</output>
105   105*9/2= 
<gadget id="calculator">105*9/2</gadget>
<output>945/2 = around 472.5</output>
472.5   Answer:472.5
<result>D</result>
What should come in place of the question mark (?) in the following number series?
16 8 12 30 105 ?