In a town with population of 4000, 3000 people are egg
eaters, 2000 meat eaters and 1500 eat both egg and meat. How
many are pure vegetarians ?
(a) 500
(b) 1000
(c) 400
(d) 1500
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Answer / nethra
out of 4000 people:
Number of people eating meat:2000
Number of people eating egg:3000
Number of people eating Both egg and meat: 1500
So,people who eat meat can have egg so out of 3000 egg
eaters 2000 may be meat eaters:(3000-2000)=1000
out of 4000 people, 3000 are egg eaters(they cannot be pure
vegitarians) so 1000 are left
adding this 1000 with previously subtracted result:
1000+1000= 2000
out of 2000, 1500 are both egg and meat eaters:
2000-1500=500
Hence 500 is the correct answer
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