Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?
Options.
A) (1/3)  B) (1/8)  C) (2/8)  D) (1/16)  E) (1/32)
Answer: Option B   This is a simple division series; each number is one-half of the previous number.   In other terms to say, the number is divided by 2 successively to get the next result.   4/2= 
<gadget id="calculator">4/2</gadget>
<output>2</output>
2   2/2= 
<gadget id="calculator">2/2</gadget>
<output>1</output>
1   1/2= 1/2   (1/2)/2 = 1/4   (1/4)/2 = 1/8
<result>B</result>
Look at this series: 2, 1, (1/2), (1/4), ... What number should come next?