The smallest ratio out of 1:1, 2:1, 1:3,4:1 and 3:1 is?
Pick:
A) 1:1  B) 1:3  C) 2:1  D) 3:1  E) 4:1
1/1= 
<gadget id="calculator">1/1</gadget>
<output>1</output>
1   1/3=0.333   2/1= 
<gadget id="calculator">2/1</gadget>
<output>2</output>
2   3/1= 
<gadget id="calculator">3/1</gadget>
<output>3</output>
3   4/1= 
<gadget id="calculator">4/1</gadget>
<output>4</output>
4   ANSWER:1:3
<result>B</result>
The smallest ratio out of 1:1, 2:1, 1:3,4:1 and 3:1 is?