Subject Experts Solutions for Chapter: Set Theory, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING)
Subject Experts Mathematics Solutions for Exercise - Subject Experts Solutions for Chapter: Set Theory, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING)
Attempt the free practice questions on Chapter 10: Set Theory, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING) with hints and solutions to strengthen your understanding. Pearson IIT Foundation Mathematics solutions are prepared by Experienced Embibe Experts.
Questions from Subject Experts Solutions for Chapter: Set Theory, Exercise 1: PRACTICE QUESTIONS (CLASSROOM WING) with Hints & Solutions
If , then find the number of all possible proper subsets of

If then find all the possible subsets of

If then find

If , then find

The mean of observations is . If one observation is deleted, then find the new mean.
The following steps are involved in solving the above problem. Arrange them in sequential order.
(A)
(B)
(C)
(D) Since one observation is deleted, the new sum and the number of observation is

If then find .
The following steps are involved in solving the above problem. Arrange them in the sequential order.
(A)
(B)
(C) From the given data
(D)

The mean of , then find the value of
The following steps are involved in solving the above problem. Arrange them in sequential order.
(A)
(B)
(C)
(D) We have arithmetic mean

In a class there are students. Of them, students attend music classes, students attend dance classes, and students attend both the classes. Find the number of students who attend neither of the classes.
The following steps are involved in solving the above problem. Arrange them in sequential order.
(A)
(B) Number of students who attend neither of the classes
(C)
(D) Let be the number of students who attend music classes be the number of students who attend dance classes.
