40 persons like apple. 7 like orange and mango dislike apple. 10 like mango and apple and dislike orange. 4 like all. How many people like apple?

• It is given that 40 persons like apple.
• 12 years agoHelpfull: Yes(8) No(4)
• 54 persons like apple.
  
  
• 12 years agoHelpfull: Yes(5) No(6)
• orange+mango-apple=7
  mango+apple-orange=10
  apple=40
  orange+mango+apple=4
  40+10+4-7=47 like apple
  
• 12 years agoHelpfull: Yes(2) No(1)
• 54 using venn diagram for above data...
• 11 years agoHelpfull: Yes(2) No(0)
• can some one solve this and explain briefly? ty
• 12 years agoHelpfull: Yes(1) No(0)
• 40 people is the correct ans.
  since it is clearly mentioned that "" ho many people like apple?""
  
  But we can also take it as 54 people like apple
  since it is not clearly said that ""How many people like ONLY apple ""
• 10 years agoHelpfull: Yes(0) No(0)