ICSE ICSE Class 7 - CISCE Question Bank Solutions for Mathematics

In the given figure, lines PQ, MN, and RS intersect at O. If x : y = 1 : 2 and z = 90°, find ∠ROM and ∠POR.

AB, CD and EF are three lines intersecting at the same point.
(i) Find x, if y = 45° and z = 90°.
(ii) Find a, if x = 3a, y = 5x and r = 6x.

In the given figure, the arrows indicate parallel lines. State which angles are equal. Give a reason.

In the given figure, find the measure of the unknown angles:

Find, whether or not, of the following collection represent a set:

The collection of good students in your school.

Find, whether or not, of the following collection represent a set:

The collection of the numbers between 30 and 45.

Find, whether or not, of the following collection represent a set:

The collection of fat-people in your colony.

Find, whether or not, of the following collection represent a set:

The collection of interesting books in your school library.

Find, whether or not, of the following collection represent a set:

The collection of books in the library and are of your interest.

State whether true or false of the following statement:

Set {4, 5, 8} is same as the set {5, 4, 8} and the set {8, 4, 5}

State whether true or false of the following statement:

Sets {a, b, m, n} and {a, a, m, b, n, n) are same.

State whether true or false of the following statement:

Set of letters in the word ‘suchismita’ is {s, u, c, h, i, m, t, a}

State whether true or false of the following statement:

Set of letters in the word ‘MAHMOOD’ is {M, A, H, O, D}.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make each of the following true:  6 ____ A.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true:  10 ____ B.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true:  18 ____ B.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true:  (6 + 3) ____ B.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true:  (15 - 9) ____ B.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true: 12 ______ A.

Let set A = {6, 8, 10, 12} and set B = {3, 9, 15, 18}.

Insert the symbol ‘ ∈ ’ or ‘ ∉ ’ to make the following is true:  (6 + 8) ____A.