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  • Question 1
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    If AB=ϕA \cap B = \phi, then AΔBA \Delta B =

  • Question 2
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    There are 19 hockey players in a club. On a  particular day 14 were wearing the prescribed hockey shirts, while 11 were wearing the  prescribed hockey pants. None of then was without hockey pant  or hockey shirt. How many of  them were in complete  hockey uniform?

  • Question 3
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    In a class, 20 opted for Physics, 17 for Maths, 5 for both and 10 for other subjects. The class contains how many students?

  • Question 4
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    In a community of 175 persons, 40 read the Times, 50 read the Samachar and 100 do not read any. How many persons read both the papers?

  • Question 5
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    In a party, 70 guests were to be served tea or coffee after dinner. There were 52 guests who preferred tea while 37 preferred coffee. Each of  the guests liked one or the other beverage. How many guests liked both tea and coffee?

  • Question 6
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    In a group of 15,715, 7 have studied German, 88 have studied French, and 33 have not studied either. How many of these have studied both German and  French?

  • Question 7
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    In a certain group of 75 students, 16  students are taking physics, geography  and English; 24 students are taking  physics and geography, 30 students are  taking physics and English; and 22 students are taking geography and  English. However, 7 students are taking only physics, 10 students are taking only geography and 5 students are taking only English. How many of these students are taking physics?

  • Question 8
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    One Hundred Twenty-five (125)(125) aliens descended on a set of film as Extra Terrestrial Beings. 4040 had two noses, 3030 had three legs, 2020 had four ears, 1010 had two noses and three legs, 1212 had three legs and four ears, 55 had two noses and four ears and 33 had all the three unusual features. How many  were there without any of these unusual features?

  • Question 9
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    In a class of 80 children, 35% children can play only cricket, 45% children can play only table-tennis and the remaining children can play both the games. In all, how many children can play cricket?

  • Question 10
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    In a survey of brand preference for toothpastes, 8282 of the population (number of people covered for the survey is 100100) liked at least one of the brands: I,  II and III. 4040 of those liked brand I, 2525 liked brand II and 3535 liked brand III. If 88 of those asked, showed liking for all the three brands, then what percentage of those liked more than one of the three brands?

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