Tuesday, November 14, 2017

CBSE PORTAL : (Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Economics

CBSE PORTAL : (Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Economics

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(Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Economics

Posted: 14 Nov 2017 12:09 AM PST

(Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Economics

Sample Question Paper
Class XII (2017-18)
Economics (030)

SECTION A : MICROECONOMICS

1 Which of the following is a statement of normative nature in economics?
a) Economics is study of choices/alternatives.
b) Government should be concerned with how to reduce unemployment
c) According to an estimate, in spite of severe shortage, more than 10% of houses in Indian cities are lying vacant.
d) Accommodation of Refugees is posing a big problem for the Europe 1

2 Define Marginal Physical Product. 1
3 A firm is operating with a Total Variable Cost of 500 when 5 units of the given output are produced and the Total Fixed Costs are 200, what will be the Average Total Cost of producing 5 units of output?
i) 140 ii) 100 iii ) 120 iv) 300 1

4 In an imperfectly competitive market, if the Total Revenue is maximum, Marginal Revenue will be ...................... 1

5 State and discuss any two factors that will shift the Production Possibility Frontier (PPF)to the right.
Or
Draft a hypothetical schedule for a straight line Production Possibility Curve. 3

6 Giving reason, state the impact of each of following on demand curve of a normal good ‘X’ if
i) Price of its complementary good falls.
ii) News reports claims that consumption of product X has harmful effect on human health.
iii) Income of consumer increases, 3

7 a. Arrange the following coefficients of price elasticity of demand in ascending order: -0.87, -0.53, -3.1, -0.80, 1
b. Comment upon the degree of elasticity of demand for commodity X,if the price of the commodity falls from 28 per unit to 23 per unit and its quantity demanded rises from 50 units to 100 units. 3

8 What is meant by Price Floor? Discuss in brief, any one consequence of imposition of floor price above equilibrium price with help of a diagram.
. Or
How is the price of a commodity determined in a perfectly competitive market? Explain with help of a diagram. 4

9 Explain how the following factors affect the supply of the commodity (any two)

a) Price of factor inputs b) State of technology c) Government taxation Policy 4

10 a) A consumer, Mr Aman is in state of equilibrium consuming two goods X and Y, with given prices Px and Py . What will happen if ? 2

b) Identify which of the following is not true for the Indifference Curves theory. Give valid reasons for choice of your answer: 4
a. Lower indifference curve represents lower level of satisfaction.
b. Two indifference curves can intersect each other.
c. Indifference curve must be convex to origin at the point of tangency with the budget line at the consumer’s equilibrium.
d. Indifference curves are drawn under the ordinal approach to consumer equilibrium.
OR
A consumer has total money income of 500 to be spent on two goods X and Y with prices of 50 and 10 per unit respectively. On the basis of the given information, answer the following questions:
a. Give the equation of the budget line for the consumer.
b. What is the value of slope of the budget line?
c. How many units can the consumer buy if he is to spend all his money income on good X?
d. How does the budget line change if there is a 50% fall in price of good Y?

11 a) Why is Total Variable Cost curve inverse S- shaped?
b) What is Average Fixed Cost of a firm? Why is an Average Fixed Cost Curve a rectangular Hyperbola? Explain with help of a diagram.

12 Suppose the value of demand and supply curves of a Commodity-X is given by the following two equations simultaneously: Qd = 200 –10p Qs = 50 + 15p
i) Find the equilibrium price and equilibrium quantity of commodity X.
ii) Suppose that the price of a factor inputs used in producing the commodity has changed, resulting in the new supply curve given by the equation Qs’ = 100 + 15p Analyse the new equilibrium price and new equilibrium quantity as against the original equilibrium price and equilibrium quantity. 6

SECTION B : MACROECONOMICS

13 Define money supply? 1

14 State one fiscal measure that can be used to reduce the gap between rich and poor.1

15 Define the capital receipts of a government.1

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(Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Engineering Graphics

Posted: 14 Nov 2017 12:02 AM PST

(Download) CBSE Class-12 Sample Paper And Marking Scheme 2017-18 : Engineering Graphics

SAMPLE QUESTION PAPER (2017-18)
ENGINEERING GRAPHICS (046)

Note:
(i) All dimensions are in millimetres.
(ii) Missing and mismatching dimensions, if any, may be suitably assumed.
(iii) Follow the SP: 46, 2003 revised codes. (with First angle method of projection)
(iv) In no view of question 2, are hidden edges or lines required.
(v) In question 4, hidden edges or lines are to be shown in views without section.

Q1. Answer the following multiple choice questions. Print the correct choice on your drawing sheet. 5
(i) The angle between the flanks of a metric thread is
a) 55o
b) 90o
c) 60o
d) 75o

(ii) Which one among the following represents a permanent fastener?
a) Nut
b) Rivet
c) Screw
d) Bolt

(iii) In isometric projection, the four centre method is used to construct
a) an ellipse
b) an involute
c) a parabola
d) a hyperbola

(iv) The convexity provided on the rim of the solid web cast iron pulley is called
a) Bending
b) Curving
c) Crowning
d) Riveting

(v) The number of cotters used in an assembly of sleeve and cotter joint
are
a) One
b) Two
c) Three
d) Four

Q.2 (a) Construct an isometric scale. 4
(b) Draw the isometric projection of a pentagonal prism (base edge 25 mm, axial length 55mm) resting on its rectangular face with its axis parallel to H.P. and V.P. both. Indicate the direction of viewing. Give all the dimensions. 7
(c) Draw an Isometric Projection of a triangular pyramid (base edge = 34 mm, height = 50 mm) with one base edge, at the back, parallel to V.P. is placed centrally on the top face of a hexagonal prism (base edge = 30mm, height = 60 mm) having two of its rectangular faces parallel to V.P. The common axis is perpendicular to the H.P. Draw the isometric projection of the combination. Give all the dimensions and indicate the direction of viewing. 13

Q.3 (a) Draw to scale 1:1, the standard profile of the B.S.W. thread (External) with the enlarged pitch = 50mm. Give standard dimensions. 8
OR
Draw to scale 1:1, the Front View and Side View of a Tee headed bolt with diameter 25mm, keeping its axis parallel to both V.P and H.P. Give standard dimensions.
(b) Sketch free hand the Front View and Top View of a Feather Key with Gib head at both ends for a shaft of 50mm diameter. Give all the standard dimensions. 5

OR

Sketch free hand the Front View and Top View of a 60° Counter Sunk Head Rivet of diameter 20 mm. Keep the axis vertical. Give all the standard dimensions.

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(Book) Oxford Advance Learners Dictionary

Posted: 13 Nov 2017 11:45 PM PST

(Book) Oxford Advance Learners Dictionary

Book Details:

Paperback: 1900 pages

Publisher: Oxford University Press

Language: English

ISBN-10: 0194799484

ISBN-13: 978-0194799485

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(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 : (Information and Communication Technology)

Posted: 13 Nov 2017 11:32 PM PST

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 :

(Information and Communication Technology)

Time: 2 ½ Hrs. M.M.:40
General Instructions:

(i) The sample question paper consists of 16 questions.
(ii) All questions are compulsory; however internal choice has been given in few questions.

1. Multiple choice questions 5

a. Which of the following is not an input device?
i) Scanner
ii) Microphone
iii) Speaker
iv) Trackball
b. ___________ acts as the nerve centre that sends control signal to all other units.
i) Control Unit
ii) Software
iii) ALU
iv) Memory
c. Random Access Memory and Read Only Memory are examples of_______________.
i) Auxiliary Memory
ii) Primary Memory
iii) Secondary Memory
iv) Both primary and secondary memory
d. GIMP, Adobe Photoshop, Corel Draw, and Picasa are examples of _________softwares.
i) Spreadsheets
ii) Word Processors
iii) Desktop publishing
iv) Presentation
e. It allows a visited website to store its own information about a user on the user’s computer.
i) Spam
ii) Malware
iii) Cookies
iv) Adware
2. Aayush wants to send highly sensitive form data such as username and password which method out of GET/POST should he use to send the form data?
3. Define Shareware. 1
4. Identify the tools used for the following purpose:

a. To lighten the colours in an image.
b. To shift one part of an image, a layer, a selection or a path to a direction and the other part to the opposite direction.
5. What is the significance of System Software? 1
6. What does Open-source in Open- Source software mean? 1
7. Name any four tools used for Retouching an image in GIMP. 2
8. Write any four exclusive rights that a copyright owner possesses?
OR
What is a firewall? 2
9. Differentiate between Blur and Sharpen tool. 2
10. Write the CSS code to:
i. Apply 50px indentation to all text paragraphs marked with <p>.
ii. Make the text in the paragraphs marked with <p> tag “italics”.
OR
List the advantages of using CSS. 2
11. Explain the various values associated with “scrolling” attribute of FRAME tag. 3
12. Observe the following code carefully and answer the questions that follow:
<html>
<head>
<title>NETWORK SECURITY</title>
<style type="text/css">
li {
letter-spacing:10px ;
text-transform: lowercase;
}
</style>
</head>
<body> The Dos and Don’ts of network security
<ol>
<li> KEEP ANTI-VIRUS SOFTWARE UP TO DATE.</li>
<li> SAVE THE FILE TO COMPUTER OR A DISK.</li>
<li> RUN AN ANTI-VIRUS SCAN REGULARLY.</li>
</ol>
</body>
</html>

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(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 : (Home Science)

Posted: 13 Nov 2017 10:49 PM PST

(Download) CBSE Class-10 Sample Paper And Marking Scheme 2017-18 :

(Home Science)

Time: 3 Hrs. M.M.: 75
General Instructions: -

1. This question paper contains five sections A, B, C, D and E.
2. In every section choice question is given.
3. Questions No. 1 to 8 are of 1 mark each and to be answered in one word or one sentence each.
4. Questions No. 9 to 16 are of 2 marks each and to be answered in approximately 20-30 words each.
5. Questions No. 17 to 19 are of 3 marks each and to be answered in approximately 30-50 words each.
6. Questions No. 20 to 27 are of 4 marks each and to be answered in approximately 60-80 words each.
7. Questions No. 28 to 32 are 5 marks each and to be answered in approximately 80-120 words each.

SECTION-A (7x1=7)

Note- Attempt any 7 questions out of the given 8.

1. “The old age needs special care.” Justify this statement with the help of one example. 1
2. List any two common features of childhood. 1
3. What will you do if an article is excessively blued in colour? 1
4. Define food hygiene. 1
5. What do you understand by the term dovetailing? 1
6. What is RDA? 1
7. Why is it important to sterilize dustbin? 1
8. List any two factors affecting the safety of food at home. 1

SECTION-B (7x2=14)

Note- Attempt any 7 questions out of the given 8.

9. How does play influence physical development of a child? Explain with two examples. 2
10. Write any four ways of reducing psychological fatigue. 2
11. Explain any two reasons of saving money in our lives, to your younger sister. 2
12. How can you keep your kitchen free from pests? Write any four points. 2
13. Discuss any four points that you would consider while planning balanced diet for a family. 2
14. Expand FSSAI and draw its logo. 2
15. Define consumer education. List the names of any one government and one non-government agency, providing consumer education. 2
16. Write any four characteristics of Adulthood. 2

SECTION-C (2x3=6)

Note- Attempt any 2 questions out of the given 3.

17. Your mother has invited her friend for dinner. She wants to bring a variety in meals.Suggest any three ways of doing this to her. 3
18. Ms. Singh found holes in her silk saree which was stored in a box during summer season. Give three possible reasons for it. Write three precautions which we should take to avoid this problem. 3
19. What is the difference between Heavy, Moderate and Light work? Give one example of each. 3

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