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

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

Find the volume of the given figure if volume = base area × height.

Find the volume of the given figure if volume = base area × height.

Find the volume of the given figure if volume = base area × height.

Work out the surface area of following shape (use π = 3.14).

Work out the surface area of following shape (use π = 3.14).

Work out the surface area of following shape (use π = 3.14).

Work out the surface area of following shape (use π = 3.14).

Comparison of parts of a whole may be done by a ______.

The graph shows the maximum temperatures recorded for two consecutive weeks of a town. Study the graph and answer the questions that follow.

1. What information is given by the two axes?
2. In which week was the temperature higher on most of the days?
3. On which day was the temperature same in both the weeks?
4. On which day was the difference in temperatures the maximum for both the weeks?
5. What were the temperatures for both the weeks on Thursday?
6. On which day was the temperature 35°C for the first week?
7. On which day was the temperature highest for the second week?

The graph given below gives the actual and expected sales of cars of a company for 6 months. Study the graph and answer the questions that follow.

1. In which month was the actual sales same as the expected sales?
2. For which month(s) was (were) the difference in actual and expected sales the maximum?
3. For which month(s) was (were) the difference in actual and expected sales the least?
4. What was the total sales of cars in the months–Jan, Feb. and March?
5. What is the average sales of cars in the last three months?
6. Find the ratio of sales in the first three months to the last three months

The graph given below shows the marks obtained out of 10 by Sonia in two different tests. Study the graph and answer the questions that follow.

1. What information is represented by the axes?
2. In which subject did she score the highest in Test I?
3. In which subject did she score the least in Test II?
4. In which subject did she score the same marks in both the Tests?
5. What are the marks scored by her in English in Test II?
6. In which test was the performance better?
7. In which subject and which test did she score full marks?

The following chart gives the growth in height in terms of percentage of full height of boys and girls with their respective ages.

Draw the line graph of above data on the same sheet and answer the following questions.

1. In which year both the boys and the girls achieve their maximum height?
2. Who grows faster at puberty (14 years to 16 years of age)?

Generalised form of a four-digit number abdc is ______.

Generalised form of a two-digit number xy is ______.

The usual form of 1000a + 10b + c is ______.

The sum of all the numbers formed by the digits x, y and z of the number xyz is divisible by ______.

If 5A + B3 = 65, then the value of A and B is ______.

Construct the following quadrilaterals.

Quadrilateral ABCD

AB = 4.5 cm

BC = 5.5 cm

CD = 4 cm

AD = 6 cm

AC = 7 cm

Construct the following quadrilaterals.

Quadrilateral JUMP

JU = 3.5 cm

UM = 4 cm

MP = 5 cm

PJ = 4.5 cm

PU = 6.5 cm