Introduction to Graphs Test

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Introduction to Graphs Test - 17

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Weekly Quiz Competition

Question 1
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Directions For Questions

The bar graph given below shows the sales of laptop (in hundred number) from seven states in India publishing company during two consecutive years $$2004$$ and $$2005$$.

...view full instructions

Find the average sales of laptop of all the states for the year $$2004$$.

A
$$9.71$$

B
$$11.71$$

C
$$14.45$$

D
$$15.23$$

Solution

Average sales in $$2004 =$$ $$\dfrac{1}{7}[10+6+12+10+20+6+4]$$
$$=$$ $$\dfrac{1}{7}[68]$$
$$= 9.71$$
Question 2
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The line graph represent the net sales rate of Apple company from the year $$2003-2013$$. Find the increase in sales rate during $$2005-2007$$.

A
$$16,000$$ millions

B
$$8,000$$ millions

C
$$26,000$$ millions

D
$$32,000$$ millions

Solution

The difference between the two sales rate of the year $$2005-2007$$ is:
$$32,000 - 16,000 = 16,000$$
So, the increase in sales rate from the year $$2005-2007 = 16,000$$ millions
Question 3
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How many watches were sold in all 5 months?

A
160

B
180

C
175

D
170

Solution

Total Sales= Addition of sales individually in each month.
Total Sale$$=20+50+20+60+30=180$$
Question 4
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Directions For Questions

The following line graph gives the percentage of the number of candidates who qualified an examination out of the total number of candidates who appeared for the examination over a period of seven years from 1994 to 2000.

...view full instructions

In which pair of years was the number of candidates qualified, the same?

A
1995 and 1997

B
1995 and 2000

C
1998 and 1999

D
Data inadequate

Solution

The graph gives the data for the percentage of candidates qualified to appeared and unless the absolute values of number of candidates qualified or candidates appeared is know we cannot compare the absolute values for any two years.
Hence, the data is inadequate to solve this question.
Question 5
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The figure above shows the cost of joining and buying music from a music subscription service. What does the y-intercept of the line most likely represent?

A
The cost per song

B
The cost to join the service

C
The cost of buying 20 songs

D
The cost of 20 subscriptions to the service

Solution

When no. of songs are 0 then cost is 20$. This means the cost of joining the service is 20$.
Hence, the y-intercept (i.e. 20) of the line represent the cost to join the service.
So, the answer is option (B).
Question 6
1 / -0

What was the percentage increase in imports from 1997 to 1998 ?

A
72

B
56

C
28

D
Data inadequate

Solution

The graph gives only the ratio of imports to exports for different years. To find the percentage increase in imports from 1997 to 1998, we require more details such as the value of imports or exports during these years.
Hence, the data is inadequate to answer this question.
Question 7
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The horizontal line in the graph is called ______.

A
X-axis

B
Y-axis

C
Line

D
None of these

Solution

The horizontal line graphis is called x-axis
The vertical line in a graph is called y-axis
and the point where the horizontal and vertical
lines meet is the original 0
Question 8
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The line graph shows the number of storybooks Armaan read in the last $$4$$ months of a year.
The number of storybooks that he read in October as a fraction of the total number of storybooks read is

A
$$\dfrac {1}{12}$$

B
$$\dfrac {3}{4}$$

C
$$\dfrac {1}{2}$$

D
$$\dfrac {5}{12}$$

Solution

Total number of storybooks read $$= 4 + 2 + 10 + 8 = 24$$
Number of storybooks read in October $$= 2$$
Therefore, required fraction is $$\dfrac {2}{24}$$ $$=$$ $$\dfrac {1}{12}$$
Question 9
1 / -0

Histogram is a type of _____.

A
Geometric diagram

B
Frequency diagram

C
Both A and B

D
Arithmetic line graph

Solution

Histogram is a type of frequency diagram. It is most common graph to show frequency distributions.
Hence, option B is the correct answer.

Question 10

1 / -0

In which of the given states, the total production of rice and wheat is the least?

W.B.

M.P.

Maharashtra

Haryana

Solution

State	Production of Rice	Production of Wheat
U.P.	7 Million	15 Million
W.B.	8 Million	1 Million
M.P.	4 Million	4 Million
Maharashtra	3 Million	2 Million
Haryana	2 Million	5 Million

$$\therefore$$ Least total production $$= 5$$ Million which is in Maharashtra

Hence, the answer is Maharashtra.

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Introduction to Graphs Test - 17

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Introduction to Graphs Test - 17

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Question 1

$$9.71$$

$$11.71$$

$$14.45$$

$$15.23$$

Solution

Question 2

$$16,000$$ millions

$$8,000$$ millions

$$26,000$$ millions

$$32,000$$ millions

Solution

Question 3

160

180

175

170

Solution

Question 4

1995 and 1997

1995 and 2000

1998 and 1999

Data inadequate

Solution

Question 5

The cost per song

The cost to join the service

The cost of buying 20 songs

The cost of 20 subscriptions to the service

Solution

Question 6

72

56

28

Data inadequate

Solution

Question 7

X-axis

Y-axis

Line

None of these

Solution

Question 8

$$\dfrac {1}{12}$$

$$\dfrac {3}{4}$$

$$\dfrac {1}{2}$$

$$\dfrac {5}{12}$$

Solution

Question 9

Geometric diagram

Frequency diagram

Both A and B

Arithmetic line graph

Solution

Question 10

W.B.

M.P.

Maharashtra

Haryana

Solution

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