Presentation of Data Test

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Presentation of Data Test - 40

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Weekly Quiz Competition

Question 1
1 / -0

If $$20$$ people liked classical music, how many young people were surveyed?

A
$$2000$$

B
$$20$$

C
$$200$$

D
$$none$$

Solution

$$100 \% \rightarrow 360 ^{\circ}\\ \therefore 1 \% \rightarrow (\dfrac{360}{100})^{\circ}\\ \therefore 10\% =36^{\circ}\\and \>36^{\circ}\rightarrow 20\> people \\\therefore 1^{\circ} \rightarrow (\dfrac{20}{36})\times 360 = 200\> people$$
Question 2
1 / -0

The total number of live births in a specific locality during different months of a specific year was obtained from the office of the birth registrar. This set of data may be called

A
Primary data

B
Secondary data

C
Recorded data

D
Countable data
Question 3
1 / -0

The prices of diamond having a particular color and clarity are tabulated below:
weight of Diamond (in Carats) Price of Diamond (in rupees/carat)
0.25 1 Lakh
0.5 2 Lakh
1 4 Lakh
2 8 Lakh
How many 0.25 carat diamonds can be purchased for the price of a 2 carat diamond ?

A
8

B
16

C
32

D
64
Question 4
1 / -0

Difference between people who prefer guitar over flute

A
$$11 \%$$

B
$$6.5 \%$$

C
$$7.5 \%$$

D
$$8.5 \%$$

Solution

$$\Rightarrow$$ Percentage of people who prefer guitar $$=22\%$$
$$\Rightarrow$$ Percentage of people who prefer flute $$=11\%$$
$$\Rightarrow$$ Difference between people who prefer guitar over flute $$=22\%-11\%=11\%$$
Question 5
1 / -0

marks (out of 10) obtained by 35 students in a Science test are listed as bel 8, 1, 2.6, 5, 0, 1, 9, 7, 8, 0,5, 8, 3, 0,8,1,0, 3,4,8,7, 8,9,2,0 1,3,2 a)

A
Find the number of students who obtained marks more than or equal to 5

B
Find the numbers of students who scored zero in the test?

C
If the passing criterion is equal or above six, what is the passing percentage

D
If the passing criterion is equal or above six, what i the passing percentage?
Question 6
1 / -0

People who prefer either sarod or Guitar, is greater then the total number of people who prefer either violin or Sitar by :-

A
$$2\%$$

B
$$3\%$$

C
$$1\%$$

D
$$12\%$$

Solution

$$\Rightarrow$$ Total percentage of people who prefer Sarod an Guitar $$=14\%+22\%=36\%$$
$$\Rightarrow$$ Total number of people who prefer Violin and Sitar $$=20\%+14\%=34\%$$
$$\Rightarrow$$ Required percentage of people $$=36\%-34\%=2\%$$
Question 7
1 / -0

While delegating, a superior delegates :

A
Only authority

B
Authority and responsibility

C
Authority, responsibility and accountability

D
Authority and responsibility but not accountability
Question 8
1 / -0

The following pie-chart shows the marks obtained by a student in an examination who scored $$540$$ in all. Study the pie-chart and anser the question given below.
The subject in which the students scored $$108$$ marks is

A
science

B
hindi

C
English

D
social science

Question 9

1 / -0

The following bar graph shows the number of persons killed in industrial accidents in country for some years.
Read the bar graph and choose the correct alternative in each of the following:
The year in which the maximum number of persons were killed in industrial accidents other than those killed in coal mines is:

1995

1997

1998

1999

Solution

Let's draw a chart using the information from the above bar graph:

Year	Persons killed in industrial accidents	Persons killed in coal mines
$$1995$$	$$1600$$	$$300$$
$$1996$$	$$900$$	$$200$$
$$1997$$	$$1200$$	$$300$$
$$1998$$	$$1300$$	$$100$$
$$1999$$	$$900$$	$$100$$
$$2000$$	$$1300$$	$$200$$

In the year $$1995$$, $$1600$$ persons were killed by industrial accidents, which is the highest compared to the other years.

So, $$\text{A}$$ is the correct option.

Question 10
1 / -0

A man's monthly salary is $$Rs. 24000$$ and his family expenses on travel are $$Rs.2500.$$ The central angle of the sector representing travel expenses in the pie chart would be

A
$$30^\circ$$

B
$$37 \, \dfrac12^\circ$$

C
$$45^\circ$$

D
$$60^\circ$$

Solution

We know that the monthly salary $$= Rs. 24000$$
Monthly expense on travel $$= Rs. 2500$$
By using the formula,
Central angle of component = ((value of the component ) / Total value) $$\times 360^\circ$$
$$= \left(\dfrac{2500}{24000}\right) \times 360^\circ$$
$$=37.5^\circ = 37 \,\dfrac12^\circ$$

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Re-Attempt Weekly Quiz Competition

weight of Diamond (in Carats)	Price of Diamond (in rupees/carat)
0.25	1 Lakh
0.5	2 Lakh
1	4 Lakh
2	8 Lakh

Presentation of Data Test - 40

Result

Presentation of Data Test - 40

Score

-

Rank

-

SHARING IS CARING

Question 1

$$2000$$

$$20$$

$$200$$

$$none$$

Solution

Question 2

Primary data

Secondary data

Recorded data

Countable data

Question 3

8

16

32

64

Question 4

$$11 \%$$

$$6.5 \%$$

$$7.5 \%$$

$$8.5 \%$$

Solution

Question 5

Find the number of students who obtained marks more than or equal to 5

Find the numbers of students who scored zero in the test?

If the passing criterion is equal or above six, what is the passing percentage

If the passing criterion is equal or above six, what i the passing percentage?

Question 6

$$2\%$$

$$3\%$$

$$1\%$$

$$12\%$$

Solution

Question 7

Only authority

Authority and responsibility

Authority, responsibility and accountability

Authority and responsibility but not accountability

Question 8

science

hindi

English

social science

Question 9

1995

1997

1998

1999

Solution

Question 10

$$30^\circ$$

$$37 \, \dfrac12^\circ$$

$$45^\circ$$

$$60^\circ$$

Solution

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