40 persons like apple. 7 like orange and mango dislike apple. 10 like mango and apple and dislike orange. 5 like all. How many people like apple?  Options
A) 48  B) 46  C) 54  D) 58  E) 62
orange+mango-apple=7   mango+apple-orange=10   apple=40   orange+mango+apple=5   40+10+5-7= 
<gadget id="calculator">40+10+5-7</gadget>
<output>48</output>
48 like apple   48NSWER:48
<result>A</result>
40 persons like apple. 7 like orange and mango dislike apple. 10 like mango and apple and dislike orange. 5 like all. How many people like apple?