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In a survey of 2000 people for the top movie of 2008 among three: RNBDJ, Ghajni and Singh is King. 960 like RNBDJ, 1080 like Ghajni,1280 like Singh is King, 560 like RNBDJ and Ghajni, 640 like Ghajni and Singh is King, 600 like Singh is King and RNBDJ. Only 120 likes none of the three. 
Determine the number of people who like RNBDJ and Singh is King but not Ghajni.
Options:
A .  120
B .  200
C .  180
D .  240
E .  280
Answer: Option D
:
D
Number of people , who likes at least one movie = 2000 - 120 = 1880
In A Survey Of 2000 People For The Top Movie Of 2008 Among T...
x + 40 + x - 120 + x - 200 + 640 - x + 560 - x + 600 - x + x = 1880
x = 360
The number of people who like RNBDJ and Singh is King but not Ghajni= (600 - 360) = 240. Hence option (d)

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