Subsets and Power Set

IMPORTANT

Subsets and Power Set: Overview

This topic covers concepts, such as, Subset of a Set, Proper Subsets of a Set, Semi-Open Interval & Length of an Interval etc.

Important Questions on Subsets and Power Set

EASY
IMPORTANT

In interval notation(a,b)=x|a<x<b,(a,b)represents

EASY
IMPORTANT

If A={1, 2, 3, 4, 5, 6, 7}, then the number of proper subsets of A is

EASY
IMPORTANT

Find the length of interval 8,32.

EASY
IMPORTANT

Find the length of interval 4,26.

EASY
IMPORTANT

Find the length of interval 2,14.

EASY
IMPORTANT

Find the length of interval 5,16.

EASY
IMPORTANT

Find the length of interval 3,21.

EASY
IMPORTANT

Write a superset of the following set.

A=7,8

EASY
IMPORTANT

Write a superset of the following set.

A=6,7,8

EASY
IMPORTANT

Write a superset of the following set.

A=2,3

EASY
IMPORTANT

Write a superset of the following set.

A=2,3,4

EASY
IMPORTANT

Write a superset of the following set.

A=2,3,4,5

HARD
IMPORTANT

Match the List I and List II and select the correct answer using code:

List I

(Set-builder form)

List II 

(Roster form)

List III

(Number of subsets)

A.) M=xZ, -1<x-2<1 1.) 1, 2, 3 a.) 2
B.) N=xZ, -1x-21 2.) 2 b.) 8

 

HARD
IMPORTANT

Find the number of subsets for the set given below.

M=xZ, 100x2-x-2=1

MEDIUM
IMPORTANT

If A and B be two finite sets such that the total number of subsets of A is 960 more than the total number of subsets of B, then nA-nB (where nX denotes the number of elements in set X) is equal to

MEDIUM
IMPORTANT

A relation on the set A = x < 3 Z , where z is the set of integers is defined by R = x y  :  y = x x - 1 . Find total elements in the power set of R.

EASY
IMPORTANT

If nA=3,nB=6 and AB . Then the number of elements in AB is equal to

MEDIUM
IMPORTANT

If A is an empty set and PA denotes power set of A, then number of elements in PPPPPA is

EASY
IMPORTANT

If a set contains p elements and another set contains q elements. If 96 is the difference between the number of subsets of both sets, then find p,q.

EASY
IMPORTANT

Find the power sets P(A) and P(B) where A={a, b, {c, d}} and B={{a}, {b}}