ICSE ICSE Class 7 - CISCE Question Bank Solutions

Write the complement of `1/3` of 180°

Write the complement of 21° 17'

Write the supplement of 100°

Write the supplement of 0°

Write the supplement of x°

Write the supplement of (x + 35)°

Write the supplement of (90 + a + b)°

Write the supplement of (110 – x – 2y)°

Write the supplement of `1/5` of a right angle

Write the supplement of 80° 49′ 25″

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}