Q1 of 43 Page 16

Choose the correct alternative answer for each of the following questions.

If M = {1, 3, 5}, N = {2, 4, 6}, then M ∩ N =?

Given: M = {1, 3, 5}, N = {2, 4, 6}

(M ∩ N) = set of all common elements of M and N


Hence, (M ∩ N) = ϕ


Option (C) is correct.

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4

A survey was conducted to know the hobby of 220 students of class IX. Out of which130 students informed about their hobby as rock climbing and 180 students informed about their hobby as sky watching. There are 110 students who follow both the hobbies. Then how many students do not have any of the two hobbies? How many of them follow the hobby of rock climbing only? How many students follow the hobby of sky watching only?

 5

Observe the given Venn diagram and write the following sets.

i. A ii. B


iii. A ∪ B iv. U


C. A’ vi. B’


vii. (A ∪ B)’


 1

Choose the correct alternative answer for each of the following questions.

P = {x | x is an odd natural number,


How to write this set-in roster form?

1

Choose the correct alternative answer for each of the following questions.

P = {1, 2, ........., 10}, What type of set P is ?