Out of 450 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket ?  Choose the correct choice from the following choices:
A) 120  B) 150  C) 100  D) 180  E) 220
n(A)=325,n(B)=175,n(AuB)=450-50= 
<gadget id="calculator">450-50</gadget>
<output>400</output>
400.   Required number= n(AnB)=n (A)+n (B)-n(AuB)=325+175-400= 
<gadget id="calculator">325+175-400</gadget>
<output>100</output>
100.   Answer is 100
<result>C</result>
Out of 450 students of a school, 325 play football, 175 play cricket and 50 neither play football nor cricket. How many students play both football and cricket ?