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

Write the x-coordinate (abscissa) of the given point.

(0, 5)

Write the y-coordinate (ordinate) of the given point.

(3, 5)

Write the y-coordinate (ordinate) of the given point.

(4, 0)

Write the y-coordinate (ordinate) of the given point.

(2, 7)

Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order.

(1, 2), (2, 4), (3, 6), (4, 8)

Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order.

(1, 1), (1, 2), (2, 1), (2, 2)

Plot the given points on a graph sheet and check if the points lie on a straight line. If not, name the shape they form when joined in the given order.

(4, 2), (2, 4), (3, 3), (5, 4)

If y-coordinate is 3 times x-coordinate, form a table for it and draw a graph.

Make a line graph for the area of a square as per the given table.

Is it a linear graph?

Explain the situations represented by the following distance-time graph.

Explain the situations represented by the following distance-time graph.

Explain the situations represented by the following distance-time graph.

Find the coordinates of the vertices of the given figures.

Study the graph given below of a person who started from his home and returned at the end of the day. Answer the questions that follow.

1. At what time did the person start from his home?
2. How much distance did he travel in the first four hours of his journey?
3. What was he doing from 3 pm to 5 pm?
4. What was the total distance travelled by him throughout the day?
5. Calculate the distance covered by him in the first 8 hours of his journey.
6. At what time did he cover 16 km of his journey?
7. Calculate the average speed of the man from (a) A to B (b) B to C.
8. At what time did he return home?

Locate the points A(1, 2), B(4, 2) and C(1, 4) on a graph sheet taking suitable axes. Write the coordinates of the fourth point D to complete the rectangle ABCD.

Locate the points A(1, 2), B(3, 4) and C(5, 2) on a graph sheet taking suitable axes. Write the coordinates of the fourth point D to complete the rhombus ABCD. Measure the diagonals of this rhombus and find whether they are equal or not.

Locate the points P(3, 4), Q(1, 0), R(0, 4), S(4, 1) on a graph sheet and write the coordinates of the point of intersection of line segments PQ and RS.

The graph given below compares the sales of ice creams of two vendors for a week.

Observe the graph and answer the following questions.

1. Which vendor has sold more icecreams on Friday?
2. For which day was the sales same for both the vendors?
3. On which day did the sale of vendor A increase the most as compared to the previous day?
4. On which day was the difference in sales the maximum?
5. On which two days was the sales same for vendor B?

The table given below shows the temperatures recorded on a day at different times.

Observe the table and answer the following questions.

1. What is the temperature at 8 am?
2. At what time is the temperature 3°C?
3. During which hour did the temperature fall?
4. What is the change in temperature between 7 am and 10 am?
5. During which hour was there a constant temperature?

The following table gives the growth chart of a child.

Draw a line graph for the table and answer the questions that follow.

1. What is the height at the age of 5 years?
2. How much taller was the child at the age of 10 than at the age of 6?
3. Between which two consecutive periods did the child grow more faster?