CBSE Class 8 Mathematics Introduction to Graphs Assignment Set B

1. (0, – 3) lies on ________.
(A) Positive x-axis
(B) Negative x-axis
(C) Positive y-axis
(D) Negative y-axis
Answer : D

2. To draw the graph of a line, the least number of points required is ________.
(A) One
(B) Two
(C) Three
(D) Four
Answer : B

DIRECTION (3-4) : The following graph shows the temperature of a patient admitted in a hospital, recorded every 2 hours.

3. What was the patient’s temperature at 3 p.m.?
(A) 37.5 °C
(B) 38 °C
(C) 36 °C
(D) 37 °C
Answer : A

4. When was the patient’s temperature highest ?
(A) 10 a.m.
(B) 6 p.m.
(C) 4 p.m.
(D) 2 p.m.
Answer : B

5. Which of the following graphs cannot be a time temperature graph?

Answer : B

DIRECTION (6-7) : The line graph shows the performance of two students during a year. Read the graph and answer the following questions.

6. In which test student B showed his worst performance?
(A) Test 5
(B) Test 3
(C) Test 2
(D) Test 1
Answer : D

7. In all, whose performance is better during the year?
(A) Student A
(B) Both showed same performance
(C) Student B
(D) Can’t be determined
Answer : C

8. The point of intersection of co-ordinate axes is called _______.
(A) Common point
(B) Zero point
(C) Origin
(D) Null point
Answer : C

DIRECTION (9-10) : Observe the given graph and answer the following questions.

9. The coordinate of F is
(A) (4, 3)
(B) (3, 4)
(C) (3, 3)
(D) (4, 4)
Answer : B

10. The difference between y-coordinate of G and C is
(A) 3
(B) 2
(C) 4
(D) 1
Answer : A

DIRECTION (11-12): The graph shown below exhibits the rate of interest on fixed deposits upto one year announced by the Reserve Bank of India in different years. Read the graph and answer the following questions.

11. The difference between maximum and minimum rate of interest is _______.
(A) 3%
(B) 6%
(C) 4%
(D) 5%
Answer : D

12. The sum of rate of interest in 1993 and 1998 is _______.
(A) 12.5%
(B) 13%
(C) 10%
(D) 19%
Answer : D

DIRECTION (13-15) : A courier person cycles from a town to a neighbouring sub-urban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph.

13. How much time did the person take to reach the place of merchant?
(A) 3.5 hours
(B) 2 hours
(C) 1.5 hours
(D) 3 hours
Answer : A

14. How far is the place of merchant from the town?
(A) 19 km
(B) 18 km
(C) 22 km
(D) 20 km
Answer : C

15. During which period did he ride fastest ?
(A) 9 a.m. - 10 a.m.
(B) 10 a.m. - 11 a.m.
(C) 8 a.m. - 9 a.m.
(D) 11 a.m. - 11:30 a.m.
Answer : C

16. The graph shows the temperature forecast and the actual temperature of a city on ten days.

On what day, the graph shows the maximum deviation of actual temperature from the forecast?
(A) Day 10
(B) Day 8
(C) Day 5
(D) Day 4
Answer : A

17. The graph shows the production of cycles (in thousands) of two factories A and B for ten years.

Find the production of cycles of A in the year when combined production of cycles was maximum.
(A) 47 thousands
(B) 48 thousands
(C) 49 thousands
(D) 46 thousands
Answer : A

18. The following graph shows the number of books read by Ashok in a week.

Find the ratio of number of books read on Tuesday and Wednesday together to the total number of books read.
(A) 2 : 7
(B) 3 : 7
(C) 1 : 7
(D) 6 : 7
Answer : A

19. The following graph shows the amount of milk (in litres) that a milkman sold over 10 days.

On an average, how much milk he sells every day ?
(A) 10 litres
(B) 12.5 litres
(C) 11 litres
(D) 13 litres
Answer : D

20. Study the graph and answer the questions that follow.

(a) On which day was the temperature 31°C?
(b) On which day was the temperature the least?
(c) Which was the hottest day?
           (a)                      (b)                         (c)  
(A) Saturday              Sunday                  Friday
(B) Sunday                Monday                 Tuesday
(C) Monday               Sunday                  Friday
(D) Wednesday         Saturday               Wednesday
Answer : A

Click on link below to download CBSE Class 8 Mathematics Introduction to Graphs Assignment Set B