In the class of 50 students, 30 speak Tamil and 40 speak Telugu. What is the lowest possible number of students who
speak both the languages?	Options
A) A)8	B) B)10	C) C)20	D) D)30	E) E)32
let the student who speaks Tamil-x   let the student who speaks Telugu-y   as (xuy)-(xny)=total   30+40-(xny)=50   =20   20)
<result>C</result>
In the class of 50 students, 30 speak Tamil and 40 speak Telugu. What is the lowest possible number of students who
speak both the languages?