Answers

2015-10-04T16:14:40+05:30
Answer is 6 
solution;-
given students =200
given days =31
200 multiply with 31=6200
after days=27
students left=120
therefore now multiply 200 with 27=5400
from 28th day the quantity of food is 800 bc when we subtract the 5400 from 6200 the answer is 800 and the quantity of students is 80.
when u divide the 80 with 800 your ans is 10 mean 
but your quantity of left days is 4 so u subtract the 4 from 10 then ur answer is 6.
i hope u understand and this is helpful.
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