Of the 38 people in my office, 10 like to drink chocolate, 15 are cricket fans, and 20 neither like chocolate nor like cricket. How many people like both cricket and chocolate?

a. 7

b. 10

c. 15

d. 18

Sol: Option A

• 38-20 = 18
  10 + 15 = 25
  25 - 18 =7
  understand by making figure
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
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• 9 years agoHelpfull: Yes(7) No(1)
• P(AUB)=P(A)+P(B)-P(AB).. P(A)=10 P(B)=15 total =38 P(AUB)=38-20 P(AB)=?.. solving this equation u will get
  P(AB)=7
• 9 years agoHelpfull: Yes(5) No(0)
• as 20 ppl didnt like anything so ,38-20 = 18 ppl like drinking choclate and cricket fan both so accrding to formula.
  18=10+15-x
  x=7 ans.
• 9 years agoHelpfull: Yes(2) No(0)
• Ans: 7
  NEITHER lke cocolate nor cricket=20/38 i.e either chocolate or cricket=1-20/38 =18/38
  both chocolate and cricket=10/38 +15/38 -18/38 =7/38
  i.e 7
• 9 years agoHelpfull: Yes(0) No(0)