ICSE ICSE Class 7 - CISCE Question Bank Solutions for Mathematics

State whether the given pair of set is equal or equivalent.

A = {days of the week starting with letter S} and

B = {days of the week starting with letter T}. 

State whether the given pair of set is equal or equivalent.

M = {multiples of 2 and 3 between 10 and 20} and

N = {multiples of 2 and 5 between 10 and 20}.

State whether the given pair of set is equal or equivalent.

P = {prime numbers which divide 70 exactly} and

Q = {prime numbers which divide 105 exactly}

State whether the given pair of set is equal or equivalent.

A = {0², 1², 2², 3², 4²} and B = {16, 9,4, 1, 0}.

State whether the given pair of set is equal or equivalent.

E = {8, 10, 12, 14, 16} and

F = {even natural numbers between 6 and 18}

State whether the given pair of set is equal or equivalent.

A = {letters of the word SUPERSTITION} and

B = {letters of the word JURISDICTION}.

Examine if the following set is the empty set:

The set of triangles having three equal sides.

Examine if the following set is the empty set:

The set of lions in your class.

Examine if the following set is the empty set:

{x + 3 = 2 and x ∈ N}

Examine if the following set is the empty set:

P = {x : 3x = 0}

State true or false of the following statement:

All examples of the empty set are equal.

State true or false of the following statement:

All examples of the empty set are equivalent.

State true or false of the following statement:

If two sets have the same cardinal number, they are equal sets.

State true or false of the following statement:

If n (A) = n (B) then A and B are equivalent sets

State true or false of the following statement:

If B = {x : x + 4 = 4}, then B is the empty set.

State true or false of the following statement:

The set of all points in a line is a finite set.

State true or false of the following statement:

The set of letters in your Mathematics book is an infinite set.

State true or false of the following statement:

If M = {1, 2, 4, 6} and N = {x : x is a factor of 12} ; then M = N.

State true or false of the following statement:

The set of whole numbers greater than 50 is an infinite set.

State true or false of the following statement:

If A and B are two different infinite sets, then n (A) = n (B).