हिंदी

What is the central angle of the sector representing skin and bones together? - Mathematics

Advertisements
Advertisements

प्रश्न

What is the central angle of the sector representing skin and bones together?

विकल्प

  • 36°

  • 60°

  • 90°

  • 96°

MCQ

उत्तर

96°

Explanation:

Total protein in bones and skin = `1/6 + 1/10`

= `(3 + 5)/30`

= `8/30`

∴ Central angle of skin and bones = `8/30 xx 360^circ`

Central angle of the sector showing skin and bones together = 96°.

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Data Handling - Exercise [पृष्ठ ४५]

APPEARS IN

एनसीईआरटी एक्झांप्लर Mathematics [English] Class 8
अध्याय 2 Data Handling
Exercise | Q 21. | पृष्ठ ४५

वीडियो ट्यूटोरियलVIEW ALL [1]

संबंधित प्रश्न

A survey was made to find the type of music that a certain group of young people liked in a city. Adjoining pie chart shows the findings of this survey.

From this pie chart answer the following:

  1. If 20 people liked classical music, how many young people were surveyed?
  2. Which type of music is liked by the maximum number of people?
  3. If a cassette company were to make 1000 CD’s, how many of each type would they make?


The age group and number of persons, who donated blood in a blood donation camp is given below. Draw a pie diagram from it.

Age group (Yrs)

20 - 25

25 - 30

30 - 35

35 - 40

No. of persons

80

60

35

25


The annual investments of a family are shown in the adjacent pie diagram. Answer the following questions based on it.


(1) If the investment in shares is ₹ 2000, find the total investment.
(2) How much amount is deposited in the bank?
(3) How much more money is invested in immovable property than in mutual fund?
(4) How much amount is invested in post?


The number of hours, spent by a school boy on different activities in a working day, is given below:

Activities Sleep School Home Play Others Total
Number of hours 8 7 4 2 3 24

Present the information in the form of a pie-chart.


The following data shows the expenditure of a person on different items during a month. Represent the data by a pie-chart.

Items of expenditure Rent Education Food Clothing Others
Amount (in Rs) 2700 1800 2400 1500 2400

The following table shows how a student spends his pocket money during the course of a month. Represent it by a pie-diagram.

Items Food Entertainment Other expenditure Savings
Expenditure 40% 25% 20% 15%

Represent the following data by a pie-diagram:

Items of expenditure Expenditure
Family A Family B
Food 4000 6400
Clothing 2500 480
Rent 1500 3200
Education 400 1000
Miscellaneous 1600 600
Total 10000 16000

Following data gives the break up of the cost of production of a book:

Printing Paper Binding charges Advertisement Royalty Miscellaneous
30% 15% 15% 20% 10% 15%

Draw a pie- diagram depicting the above information.


The pie-chart given in the following represents the expenditure on different items in constructing a flat in Delhi. If the expenditure incurred on cement is Rs 112500, find the following:


(i) Total cost of the flat.
(ii) Expenditure incurred on labour.


In the following figure, the pie-chart shows the marks obtained by a student in an examination. If the student secures 440 marks in all, calculate his marks in each of the given subjects.


The following table shows the daily supply of electricity to different places in a town. To show the information by a pie diagram, measures of central angles of sectors are to be decided.
Complete the following activity to find the measure :

Places

Supply of electricity 
(Thousand units)

Measure of central angle
Roads 4 `4/30 xx 360 = 48^circ`
Factories 12 `square/square xx 360 = 144^circ`
shops 6 `6/30 xx 360 = square`
Houses 8 `square/square xx 360 = square`
Total ⇒ 30 `square`

The following diagram represents expenditure on different items in constructing a building.
If the total construction cost of a building is Rs.540000, answer the following questions :

Find the expenditure on labour.


Subjective marks obtained by a student in an examination are given below:

Subject Marks
Marathi 85
English  90
Science 85
Mathematics 100
Total 360

Draw a pie diagram to represent the above data.


On a particular day, the sales (in rupees) of different items of a baker’s shop are given below.
ordinary bread 320
fruit bread 80
cakes and pastries 160
biscuits 120
others 40
Total
720
Draw a pie chart for this data.

A geometric representation showing the relationship between a whole and its parts is a ______.


Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.

Observe the pie chart given below and answer questions based on it.


Which of the following is a reasonable conclusion for the given data?


Monthly salary of a person is Rs. 15000. The central angle of the sector representing his expenses on food and house rent on a pie chart is 60°. The amount he spends on food and house rent is ______.


What is the central angle of the sector representing hormones enzymes and other proteins?


A pie chart is used to compare ______ to a whole.


For the development of basic infrastructure in a district, a project of Rs 108 crore approved by Development Bank is as follows:

Item Head Road Electricity Drinking water Sewerage
Amount 
In crore (Rs.)
43.2 16.2 27.00 21.6

Draw a pie chart for this data.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×