A student is ranked 6th from right and 5th from left. How many students are there in totality ?	Choose one
A) 10  B) 19  C) 20  D) 21  E) 22
From right 6 , From left 5   Total = 6+5-1= 
<gadget id="calculator">6+5-1</gadget>
<output>10</output>
10   10NSWER:10
<result>A</result>
A student is ranked 6th from right and 5th from left. How many students are there in totality ?