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Question

What is the total number of students who visited Varanasi?
  1. 78
  2. 69
  3. 102
  4. None of these 
  5. 103


Solution

The correct option is D None of these 
From the given information, we can get the following table:-
CityBoysGirls=120×45%=540660Delhi540×20%=108660×25=264Kolkata[540(102+108+216)]/2=57[(660(264+198+132)]×23=44Varanasi57660(264+198+132+44)=22Mumbai300198=102660×30%=198Jodhpur540×40%=2162642=132
Total number of students, who visited Varanasi =57+22=79

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