MBA Exam

A survey was conducted on the eating habits of a group of 1000 people. The results are given below. 92% eat South Indian food. 91% eat North Indian food. 82% eat American food. 78% eat Chinese food. 79% eat Italian food. 80% eat Continental food. What must be the minimum number of people who eat all the 6 types of food if 7 people don’t eat any of the six types of food?

1) 0
2) 55
3) 27
4) cannot be determined

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MBA Other Question
Four small pipes three medium pipes and two large pipes were attached to a tank. three small pipes or two medium pipes or a large pipe can fill the tank in 14.5 hours. If all the pipes were opened simulatenously find the time taken to fill the tank in hours343.52.5

1) 1
2) 2
3) 3
4) 4
 In a cyclic quadrilateral ABCD, if AB = 2, BC = 3, CD = 4 and DA = 5, what is the ratio of the lengths of the diagonals?

1) 7:11
2) 11:13
3) 10:11
4) 13:15