using a
In a survey of 15,000 students of different schools, 40 % of them were found to have
tuition before the SEE examination. Among them 50 % studied only Mathematics,
30 % only Science and 10 % studied none of these two subjects.
(i) Represent the above information in a Venn-diagram,
fin) How many students studied Mathematics as well as Science?
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the answer is 8050 student
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