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Question 1
Let , , . Then, is
Question 2
If and are two sets, then equals to?
Question 3
In a class of 55 students , the number of students studying different subjects are , 23 in Mathematics, 24 in Physics, 19 in Chemistry , 12 in Mathematics and Physics , 9 in Mathematics and Chemistry, 7 in Physics and Chemistry and 4 in all three subjects. The number of studentws who have taken exactly one subject is
Question 4
In a group of person travelling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In the group, none can speak any other language. If 2 persons in the group can speak two languages and one person can speak all the three languages, then how many persons are there in the group ?
Question 5
If and are two sub groups of G. then identify the correct statement :
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