Line Graph

Q.

A graph which displays data that changes continuously over a period of time is __ graph.

Q.

What does x = 6 mean?

1. The quantity represented by the variable x is equal to 6

2. The quantity represented by the variable x is greater than 6

3. The quantity represented by the variable x is less than 6

4. None of the above

Q. Fill in the Blanks
Question 15
The horizontal and vertical lines in a graph are usually called___ and ___.

Q.

Which of the following represents a line graph for the given histogram?

1. 

2. 

3. 

4. Both A & B

Q. Question 2(i)
The following line graph shows the yearly sales figures for a manufacturing company.

What were the sales in (i) 2002 (ii) 2006?

Q. Question 2
A graph that displays data that changes continuously over periods of time is
(a) bar graph
(b) pie chart
(c) histogram
(d) line graph

Q.

In a fabric, the ratio of cotton and synthetic is 1:4. What is the percentage of cotton in the fabric?

Q.

Ranjan got 45% marks in the first paper and 70% in the second paper .How much percent should he get in the third paper so as to get 60 % as overall shore?

Q.

A student has obtained 35% marks in a test . If the student scored 24.5 marks, find the maximum marks

Q.

Ranjan got 45% marks in the first paper and 70% in the second paper how much percent should he get in the third paper so as to get 60% as overal score?

Q. To draw the graph of a line, the least number of points required is ___.

1. Three
2. One
3. Four
4. Two

Q. is used to compare changes over the same period of time for more than one group of data.

1. Pie chart
2. Line graph
3. Pictograph

Q.

$\text{In the pte chart representing the percentages of students having interest in reading various kinds of books, the central angle fo the sector representing students reading novels is}{81}^{\circ }.\text{What is the percentage of students interested in reading novels?}$

(a) $15\%$ (b) $18\%$

(c) $22\frac{1}{2}\%$ (d) $27\frac{1}{2}\%$

Q. Question 58(i)
Study the distance-time graph given below for a car to travel to certain places and answer the question that follows.



How far does the car travel in 2 h?

Q.

Which of the following is true about a line graph?

1. Displays data that changes continuously over periods of time.

2. All of these.

3. Can be obtained from a histogram.

4. Can be obtained from a bar graph.

Q. Question 6(ii)
A courier-person cycles from a town to a neighbouring suburban area to deliver a parcel to a merchant. His distance from the town at different times is shown by the following graph

How much time did the person take for the travel?

Q. Question 57(ii)
Study the graph and answer the questions that follow.



On which day was the temperature the least?

Q. Question 2(iv)
The following line graph shows the yearly sales figures for a manufacturing company.

In which year was there the greatest difference between the sales as compared to its previous year?

Q.

Draw the graphs of the following straight −lines:

(i) y = 3 − x; (ii) y = x − 3; (iii) y = 3x − 2; (iv) y = 5 − 3x;

(v) 4y = − x + 3; (vi) 3y = 4x + 1; (vii) x = 4; (viii) 3y = 1.

Q.

Following graph shows the perimeter of square of different sides:

Using graph find the perimeter of square of side 5.5 cm.

1. 24 cm

2. 20 cm

3. 18 cm

4. 22 cm

Q. Meenu requires 33% to pass.If she gets 155 marks and falls short by 10 marks, what is the maximum marks?

Q. Queston 4(ii)
The following graph shows the temperature forecast and the actual temperature for each day of a week.

What was the maximum forecast temperature during the week?

Q. Question 2(i)
The following line graph shows the yearly sales figures for a manufacturing company.

What were the sales in (i) 2002 (ii) 2006?

Q. The given graph shows the flight of an aeroplane.


How long was the plane in level flight?

1. 70 minutes
2. 40 minutes
3. 30 minutes
4. 90 minutes

Q. Question 47
Explain the situations represented by the following distance-time graphs.

Q. The given graph shows the flight of an aeroplane.


At what height the aeroplane was at the time of 90 minutes from its start?

1. 400 metres
2. 450 metres
3. 500 metres
4. 600 metres

Q. Question 1(iii)
The following graph shows the temperature of a patient in a hospital, recorded every hour

The patient’s temperature was the same two times during the period given.
What were these two times?

Q.

Question 2(iii)

The following line graph shows the yearly sales figures for a manufacturing company.

Compute the difference between the sales in 2002 and 2006.

Q.

$ThegiventableshowsdailytemperaturesforDelhi,recordedfor6days,indegreesCelsius.Plotalinegraph.Whichofthefollowingstatementsistrue.$

$$\begin{array}{cc}\left(TemperatureinDelhi\right)& \\ \text{Day}& \text{Temperature}\\ 1& 6^{\circ }C\\ 2& {12}^{\circ }C\\ 3& {10}^{\circ }C\\ 4& {14}^{\circ }C\\ 5& {15}^{\circ }C\\ 6& {19}^{\circ }C\end{array}$$

1. All the points lie on a common straght line

2. The temperature on a given day is never lower than that of the previous day

3. None of These

4. The highest temperature is on the 6th day

Q. The given graph shows the flight of an aeroplane.


How long did the whole flight take?

1. 2hr 30 minutes
2. 2hr 20 minutes
3. 2hr 25 minutes
4. 2hr 10 minutes