Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions for Mathematics

A packet of sweets was distributed among 10 children and each of them received 4 sweets. If it is distributed among 8 children, how many sweets will each child get?

The variable x is inversely proportional to y. If x increases by p%, then by what per cent will y decrease?

The perimeter of a trapezium is 52 cm and its each non-parallel side is equal to 10 cm with its height 8 cm. Its area is ______.

A trapezium with 3 equal sides and one side double the equal side can be divided into ______ equilateral triangles of ______ area.

The area of a trapezium become 4 times if its height gets doubled.

The area of a trapezium with equal non-parallel sides is 168 m². If the lengths of the parallel sides are 36 m and 20 m, find the length of the non-parallel sides.

The areas of two circles are in the ratio 49 : 64. Find the ratio of their circumferences.

Find the area of the following fields. All dimensions are in metres.

Find the area of the following fields. All dimensions are in metres.

Find the area of the shaded portion in the following figure.

Data was collected on a student’s typing rate and graph was drawn as shown below. Approximately how many words had this student typed in 30 seconds?

The horizontal and vertical line in a line graph are usually called ______ and ______.

The cost of a note book is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4, .... note books. Use it to find

1. the cost of 7 notebooks. 
2. the number of note books that can be purchased with Rs 50.

The cost of a notebook is Rs 10. Draw a graph after making a table showing cost of 2, 3, 4, .... notebooks. Use it to find the number of note books that can be purchased with Rs 50

Complete the given table and draw a graph.

Complete the given table and draw a graph.

Draw a graph for the radius and circumference of circle using a suitable scale.

(Hint: Take radius = 7, 14, 21 units and so on)

From the graph,

1. Find the circumference of the circle when radius is 42 units.
2. At what radius will the circumference of the circle be 220 units?

If A3 + 8B = 150, then the value of A + B is ______.

If 5A × A = 399, then the value of A is ______.

If 6A × B = A 8 B, then the value of A – B is ______.