Data Handling Test

Result

Data Handling Test - 29

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Weekly Quiz Competition

Question 1
1 / -0

A school has strength of $$2000$$ students. The following pie graph shows the interests of students in different subjects. The number of students interested in Maths is:

A
$$700$$

B
$$600$$

C
$$200$$

D
$$500$$
Question 2
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The pictogram shows the number of pupils who cycle to school. What is the total number of pupils who use cycle for going school?

A
$$10$$

B
$$300$$

C
$$420$$

D
$$450$$

Solution

Number of pupils who use cycle for going school in class 1 $$= 30\times 5 = 150 $$
Number of pupils who use cycle for going school in class 1 $$= 30\times 7 = 210 $$
Number of pupils who use cycle for going school in class 1 $$= 30\times 3= 90 $$
So, Total number of pupils who use cycle for going school $$= 150+210+90 = 450$$
Question 3
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Given above is a bar graph showing the heights of six mountain peaks. Read the above diagram and answer the following:
Write the ratio of the heights of highest peak and the lowest peak.

A
$$22 : 15$$

B
$$15 : 22$$

C
$$20 : 13$$

D
$$13 : 22$$

Solution

From the above bar graph,
Height of highest peak $$= 8800\ m$$
Height of lowest peak $$= 6000\ m$$

Hence the required ratio will be,
Ratio $$=8800 : 6000$$
$$ = 22 :15$$

Hence, option $$A$$ is correct.
Question 4
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The line plot below shows how students scored on last week's maths test.
How many students scored 95 or higher on the test?

A
5 students

B
7 students

C
12 students

D
16 students

Solution

It is given that $$1$$ star $$= 1$$ student.
Number of students who scored $$95$$ marks or more than $$95$$ = number of students who scored $$95$$ marks + number students who scored $$100$$ marks
Students who scored $$95$$ marks $$=7$$
Students who scored $$100$$ marks $$=5$$
Total students $$=7+5=12$$
Question 5
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Directions For Questions

The pictograph given below shows how many persons travelled from city A to city B by bus on each of the days of a certain week Study the pictograph carefully and answer the questions from 6 to 8

...view full instructions

What is the total number of persons who made the journey during the week?
(Assume that one represents 10 persons)

A
200

B
400

C
600

D
900

Solution

Given that one symbol represents 10 persons and the total number of symbols in picture =$$9+4+6+4+8+6+2= 40$$
Total number of persons who made the journey during the week = $$ \displaystyle 10 \times 40 = 400 $$
Question 6
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An orderly distribution of the raw data into certain specified categories is known as

A
Frequency distribution

B
Frequency

C
Cumulative frequency

D
Primary data

Solution

When we arrange the given set of data in a table by writing independent data values and the number of times it appears in the data list is called frequency distribution table.
Question 7
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Allocations to various sectors of the yearly budget for Rs. 1000 crore are represented by the following pie diagram. The expenditure (in rupees) on agriculture is

A
250 crore

B
150 crore

C
300 crore

D
200 crore

Solution

A full circle has $$360^{\circ}$$
$$\therefore $$angle of agriculture=$$360^{\circ}-(18^{\circ}+90^{\circ}+72^{\circ}+54^{\circ}+54^{\circ})$$
$$\Rightarrow 360^{\circ}-288^{\circ}=72^{\circ}$$
yearly budget=Rs.1000 crore
$$\therefore $$Expenditure on agriculture=$$\dfrac{72^{\circ}}{360^{\circ}}\times 1000=200 crore.$$
Question 8
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Directions For Questions

Following table and pictograph show the number of school teachers in some towns
Name of Town Number of school
Teacher
Hyderabad 4200
Delhi 2400
Chennai 3000

...view full instructions

How many school teachers does simile represent?

A
$$500$$

B
$$600$$

C
$$700$$

D
$$800$$

Solution

In the table Hyderabad town has $$4200$$ teachers which represented by $$7$$ similes in the pictograph.

Therefore, one simile represent $$\dfrac{4200}{7} = 600$$ school teachers.
Question 9
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When a die is thrown, list the outcomes of an event of getting prime number.

A
$$\{2, 3, 5\}$$

B
$$\{2, 4, 6\}$$

C
$$\{1, 2, 3, 5\}$$

D
$$\{1, 3, 5\}$$

Solution

$${\textbf{Step – 1 : Deduce total possible outcomes}}$$
$${\text{A dice or die has total 6 sides}}$$
$${\text{Each sides are printed with 1 number}}$$
$${\text{So when a die is thrown total number o possible outcome is 6}}$$
$${\text{Outcomes can be S}}=\left\{ {1,2,3,4,5,6} \right\}$$
$${\textbf{Step -2 : Find the outcomes of event of getting prime numbers}}$$
$${\text{Prime numbers are those which can be divided only by the number itself and by 1.}}$$
$${\text{So in S the prime numbers are}}2,3,5$$
$${\text{So the outcomes of an event of getting prime number is E}} =\left\{ {2,3,5} \right\}$$
$${\textbf{Hence, When a die is thrown, outcomes of an event of getting prime number is}}=\left\{ {2,3,5} \right\}$$
Question 10
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A coin is tossed $$3$$ times, the total number of possible outcomes is:

A
$$3$$

B
$$4$$

C
$$6$$

D
$$8$$

Solution

There are $$2^3=8$$
Possible out comes $$=\{ HHH, HHT, HTH, THH, HTT, THT, TTH, TTT\}$$