There are 100 boys in a hostel. Each plays either cricket or softball or both. If 60% play cricket and 50% play softball, how many play both? Choose the correct choice from the following: A) 20 B) 50 C) 10 D) 100 E) 60
n(A) = 50*100/100= 
<gadget id="calculator">50*100/100</gadget>
<output>50</output>
50   n(B)= 60*100/100= 
<gadget id="calculator">60*100/100</gadget>
<output>60</output>
60   n(AUB)= 100   n(AnB) = 50+60-100= 
<gadget id="calculator">50+60-100</gadget>
<output>10</output>
10   Answer is 10
<result>C</result>
There are 100 boys in a hostel. Each plays either cricket or softball or both. If 60% play cricket and 50% play softball, how many play both?