Question

d)
In a survey of 80 people, it was found that 60 liked oranges only and 10 liked both
oranges and apples. The number of people who liked oranges is five times the
number of people who liked apples. By using a Venn-diagram, find the number of
people who liked apples only and who didn't like any of these fruits, .
e)
Out of 120 students appeared in an examination, the number of students who
passed in Mathematics only is twice the number of students who passed in Science
only. If 50 students passed in both the subjects and 40 students failed in both the
subjects,
Ex:
(i) find the number of students who passed in Mathematics.
Find the number of students who passed in Science.
(iii) Show the result in a Venn-diagram.
2. Cardinality relation of union of three sets
So​

Answer 1

Answer:

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