Presentation of Data Test

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Presentation of Data Test - 30

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Weekly Quiz Competition

Question 1
1 / -0

Study the above graph and calculate the average numbers of cars manufactured by Company $$X$$ over the given period.

A
$$200{,}000$$

B
$$100{,}000$$

C
$$300{,}000$$

D
$$400{,}000$$

Solution

Average number of cars manufactured by Company $$X$$
$$=\cfrac{1}{6}[100000 + 80000 + 60000 + 120000 + 80000 + 160000]$$
$$=\cfrac{1}{6}[600000]$$
$$= 100,000$$
Question 2
1 / -0

Study the above graph and calculate the average numbers of cars manufactured by Company $$Y$$ over the given period.

A
$$96{,}666.66$$

B
$$86{,}666.66$$

C
$$76{,}666.66$$

D
$$66{,}666.66$$

Solution

Average number of cars manufactured by Company $$Y$$
$$=\cfrac{1}{6}[80000 + 60000 + 100000 + 80000 + 120000 + 140000]$$
$$= \cfrac{1}{6}[580000]$$
$$= 96{,}666.66$$
Question 3
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Directions For Questions

The following chart represents the number of students who passed the group examination.

...view full instructions

Determine the percentage of the students who passed the group examination of the year $$2002$$?

A
$$68.6\%$$

B
$$91.9\%$$

C
$$75.6\%$$

D
$$81.81\%$$

Solution

Required percentage $$=$$ $$\dfrac{57\times 100}{62}$$
$$= 91.9\%$$
Question 4
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Directions For Questions

The pie-graph given here shows the students spending on various sports during a particular year. Study the graph carefully and answer the questions given below.

...view full instructions

What percent of students spending on football?

A
$$1.47\%$$

B
$$2.77\%$$

C
$$3.45\%$$

D
$$4.21\%$$

Solution

Percent of students spending on football $$=$$ $$\dfrac{10}{360}\times 100\% = 2.77\%$$
Question 5
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Directions For Questions

The following chart represents the number of students who passed the group examination.

...view full instructions

Which year showed the best result in Group exams (in terms of percentage of students who cleared)?

A
$$2000$$

B
$$2001$$

C
$$2002$$

D
$$2003$$

Solution

Compare the respective pass percentage for three years : $$2000, 2001, 2002$$ and $$2003$$.
$$\dfrac{54 \times 100}{66} > \dfrac{39\times 100}{49}< \dfrac{57\times 100}{62}> \dfrac{70\times 100}{79}$$
$$2000 = 81.81\%$$
$$2001 = 79.59\% $$
$$2002 = 91.9\%$$
$$2003 = 88.6\%$$
So, in the year $$2002$$ showed the best result in Group exams.
Question 6
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Directions For Questions

The following chart represents the number of students who passed the group examination.

...view full instructions

Find the percentage of students who cleared Group exam in $$2003$$.

A
$$11.39\%$$

B
$$23.67\%$$

C
$$31.64\%$$

D
$$45.9\%$$

Solution

Total percentage of students who passed group exam in the year $$2003 =$$ $$\dfrac{25\times 100}{79}$$
$$= 31.64\%$$
Question 7
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Study the above graph and calculate the difference between the number of cars manufactured by Company $$X$$ in $$2001$$ and $$2002$$?

A
$$20000$$

B
$$30000$$

C
$$40000$$

D
$$50000$$

Solution

Number of cars manufacturd by $$X$$ in $$2001 = 120000$$
Number of cars manufactured by $$ X$$ in $$2002=80000$$
The difference is $$120000-80000=40000$$
Question 8
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Directions For Questions

The following bar chart represents the list of richest country in the world by GDP during $$2009$$ and $$2010$$. All figures are in trillion.

...view full instructions

Which of the countries listed below accounts for the maximum GDP during the year $$2010$$?

A
Russia

B
Germany

C
Japan

D
India

Solution

In the given bar chart, blue colour indicates the GDP during 2009 and red colour indicates the GDP during 2010.

From the graph, the maximum GDP during the year 2010 is observed in Germny with 25 trillion.
Question 9
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Using the line graph, find the average income of sportsman during the period $$2000-2003$$.

A
$$187.5 $$ crores

B
$$287.5$$ crores

C
$$387.5$$ crores

D
$$487.5$$ crores

Solution

Average income os sportsman from the year $$2000-2003 =$$ $$\dfrac{210 + 440 + 300 + 200}{4}$$
$$=$$ $$\dfrac{1150}{4}$$
$$= 287.5$$ crores
Question 10
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The number of washing machines purchased in the past $$35$$ weeks is given in a line graph. Find the total number of washing machines purchased in $$20$$ weeks.

A
$$140$$

B
$$150$$

C
$$160$$

D
$$170$$

Solution

The total number of washing machines purchased in $$20$$ weeks $$= 10 + 20 + 40 + 90 = 160$$