WE2CANDOX@THE EMINENCE

Thursday, August 25, 2011

X MATHS MCQ SA I [2]

X MATHS TRIGO MUST DO PRACTICE SA I [3]

Dear Students
Try undermentioned question before exam. Not only it'll boost your confidence and help you
secure good marks but also help you understanding trigo in comprehensive manner.
All the best
Dev.

Wednesday, August 24, 2011

X MATHS TRIGO MUST DO PRACTICE SA I [2]

X MATHS TRIGO MUST DO PRACTICE SA I [1]

Tuesday, August 23, 2011

X SCIENCE PRACTICE PAPER SA I [4]

SECTION - A

Question numbers 1 to 10 are  of one  mark  each.

1.           According to Euclid’s  division algorithms HCF  of any  two  positive integers a and  b with a > b is obtained by applying Euclid’s  division lemma  to a and  b to find  q and  r such  that a bq  r where  r must  satisfy.

(A)    1 < r < b               (B)    0 < r < b               (C)   0 ≤     r < b              (D)    0 < r  ≤   b

2.           In figure  1, the graph of a polynomial p(x) is shown.  The number of zeroes  of p(x) is :

 (A)    3                            (B)    4                            (C)    1                            (D)    2

3.           In figure  2, if DE || BC then  x equals  to :

(A)    3 cm                                   (B)    4 cm             (C)    7 cm                             (D)    4.7 cm

4.           If sin 2 A = cos(A - 6°) where   2A  and  (A - 6°) are both  acute  angles  then  the vlaue  of A is : 

(A)    16°                      (B)    32°                (C)    48°                (D)    45°

5.           Given  that  cosA = 1/2the value  of  2sec A /(1 + tan 2 A) is :

(A)    1                          (B)    2                    (C) 1/2                   (D)    0

6.           In figure  3, AD=3cm, BD=4cm and  CB=12 cm them  tan A equals  :

 (A) 3 / 4                     (B) 5 /12                               (C) 4/ 3                                  (D)      5 /12

7.           The decimal expansion of  141 will terminate after  how  many  places  of decimals ?

(A)    1                         (B)    2                                    (C)    3                                    (D)    will not terminate

8.           The pair  of linear  equations 7x 3y=4  and  14x  4y=5  have  : 

(A) One Solution       (B) many solution              (C)    many  solutions         (D)    no solution

9.           If sec A=cosec B= 12 then  A    B is equal  to :

(A)    zero                    (B)    >90°                             (C)    90°                                (D)    <90°

10.       For a given data  with 50 observations the ‘less than  ogive’ and the ‘more then ogive’ intersect at(15.5, 20).  The median of the data  is :

(A)    4.5                      (B)    2 0                                (C)    5 0                                 (D)    15.5

SECTION - B

Question numbers 11 to 18 carry  2 marks each.

11.       Is 7  x  11 x  13+13 a composite number ?  Justify your answer.

12.       Can  (x - 3) be the  remainder on the  division of a polynomial p(x) by (2x+5) ?  Justify  your answer.

13.       In figure  4, ABCD is a rectangle. Find  the values of x and  y.

14.       If sin (A - B)= 2  , cos (A+B)= 2  and  0 <A+B<90° and  A >B then  find the values of A and  B

15.       In a right  angled triangle if hypotenuse is 20 cm and  the ratio  of other  two  sides  is 4 : 3, find the sides.

OR

In an isosceles triangle ABC if AB=AC=13 cm and  the altitude from A on BC is 5 cm.  Find BC

16.       In figure  5,  DE ||AC and  DF ||AE.   Prove  that EF/BF = EC /BE  

17.       The following distribution gives the production of wheat in 100 farms  of a village  per hectare :

Production (kg/ha)        50-55     55-60     60-65     65-70     70-75

No. of Farms                     10           12           24           38           16

Write  the above  distribution as less than  type  cumulative frequency distribution.

18.       Find  the mode  of the following distribution of marks  obtained by 60 students.

Marks Obtained       0-10        10-20       20-30       30-40       40-50

No. of Students           6               5              12             22             15

SECTION - C

Question numbers 19 to 28 carry  3 marks each.

19.       Show that any positive odd  integer is of the form 6q+1 or 6q+3 where q is a positive integer.

21.  Four years ago a father  was six times as old as his son. Ten years later, the father  will be two and  a half times  as old as his son.   Determine the present age of father  and  his son.

OR

Find  a fraction, that  becomes1/2   when 2 is added to its numerator and  while  1 is subtracted from  its denominator it remains 1/3 .

22.       If α  , β  are  zeroes  of the  polynomial x2 —2x—8, then  form  a quadratic polynomial whose zeroes  are      2 α  and  2β  .

23.       Prove  that  sec A  (1—sin A ) (sec A +tan A) =1.

24.       If sec A = x + 1/4 x  then  prove  that  sec A+ tan A =2x or 1/2x

25.       In figure   6, OA.OB=OC.OD.   Show  that  

26.       The diagonals of a trapezium ABCD, in which  AB || DC, intersect at O.   If AB =2CD, then find  the ratio  of areas  of triangles AOB and  COD.

OR

In a triangle ABC, the mid  points of sides  AB, BC and  CA are D,E and  F respectively.  Find the ratio  of areas  of triangles DEF and  ∆ABC.

27.       Find  mean  of the following frequency distribution using  step  deviation method.

Classes                0-10        10-20       20-30       30-40       40-50

Frequency              7              10             15              8              10

OR

The mean  of the following frequency distribution is 54.  Find  the value  of p :

Classes                  0-20        20-40       40-60       60-80      80-100

Frequency               7               p              10               9              13

28.       Find  the median of the following data.

Classes            100-150   150-200   200-250   250-300   300-350

Frequency              22             18             25             20             15

SECTION - D

Question numbers 29 to 34 carry  4 marks each.

30.       Prove  that  if a line is drawn parallel to one  side  of a triangle to intersect the  other  sides  in distinct points, the other  two  sides  are divided in the same  ratio.

OR

Prove  that in a triangle if the square of one side is equal  to the sum of the squares of the other two sides  then  the angles  opposite to the first side is a right  angle.

31.       If sec A —tan A =4 then prove that cos A= 8 /17  

OR

      Find the value of sin2 5°+sin210°+sin280°+sin285° 

32.       Prove  that

(1+secA) /sec A =  sin2A / (1—cosA)

33.       Solve graphically :

 x –  y +1= 0,  3x +2y =12

(i)      Find  the solution from  the graph.

(ii)     Shade  the triangular region  formed by the lines  and  the  x—axis.

34.       The following distribution gives  the daily  income  of 50 workers of a factory.

Daily income (in rupees)      100-120      120-140      140-160      160-180      180-200

Number of Workers                    12                14                 8                  6                 10

Change the above distribution to more  than  type distribution and  draw its ogive.

Sunday, August 21, 2011

X SST PRACTICE PAPER SA I [1]

SOCIAL SCIENCE

Time : 3 hours Maximum Marks : 80

Instructions :

1. The question paper has 36 questions in all. All questions are compulsory.

2. Marks are indicated against each question.

3. This question paper consists of two parts i.e. Part-I and Part-II. Part-I of this question paper contains Multiple Choice Questions (MCQs) from serial number 1 to 16 of 1 mark each. These sixteen questions of Part-I are to be answered on a separate sheet provided. This part has to be completed in first 30 minutes only and the answer sheet must be handed over to the invigilator before starting Part-II.

4. In Part-II of the question paper, there are 20 questions from serial no. 17 to 36. These questions are to be attempted in 2 hours and 30 minutes. This part should be attempted only after the stipulated time given for Part-I.

5. Questions from serial number 17 to 31 are 3 marks questions. Answer of these questions should not exceed 80 words each.

6. Questions from serial number 32 to 35 are 4 marks questions. Answer of these questions should not exceed 100 words each.

7. Question number 36 is a map question of 3 marks from Geography only. After completion, attach the map inside your answer book.

8. An additional 15 minutes time has been allotted to read this question paper only.

PART - I

1. When did the global agricultural economy start? 1

(a) 1894 (b) 1890 (c) 1892 (d) 1891

When was the first jute mill in Calcutta set up? 1

Who designed the garden city of New Earswick? 1

(a) Barry Parker (b) Edeneger Howard

2. Which of the following disease proved a deadly killer for the people of America? 1

(a) Cholera (b) Small pox

When was the first cotton mill established? 1

(a) 1854 (b) 1858 (c) 1818 (d) 1817

Which movie did Dada Saheb Phalke made ? 1

(a) CID (b) Guest House

3. Penny magzines especially meant for 1

(a) Women (b) Men (c) Children (d) Working class

Who is the author of Jane Eyre? 1

(a) Jane Austen (b) Charlotte Bronte

4. What was the name of oldest Japanese book? 1

(a) Sambad Kaumudi (b) The Diamond Sutra

OR Which of the following novel deal with caste Opression ? 1

(a) Sultana’s Dream (b) Godan

5. Under which of the following type of resource can tidal energy be put? 1

(a) Human made (b) Biotic

6. Mithun is the example of : 1

(a) Normal species (b) Vulnerable Species

7. Sardar Sarovar Dam is constructed on : 1

(a) River Krishna (b) River Mahanadi

India

is the leading producer and exporter of _______________________ in the world. 1

(a) Rubber (b) Sugarcane (c) Tea (d) Rice

9. Community Government is : 1

(a) A general government for the entire country

(b) A government in which different social groups are given the power to handle the affairs related to their communities.

(d) A government which literally means “rule by the people”

10. Which is not one of the benefits of power sharing ? 1

(a) Reduces the possibility of conflicts between social groups.

(b) Ensures political stability in the long run

(d) It upholds the spirit of democracy

11. The system of panchayat Raj involves : 1

(a) Village, block and district levels

(b) Village and state levels

(d) Village, state and union levels

12. Laws concerning family matters such marriage, divorce, adoption etc. are known as : 1

(a) Family laws (b) Constitutional Laws

13. Kerala has low infant mortality rate because : 1

(a) People are physically strong

(b) People are health conscious

(d) None of the above

14. Per capita Income is also known as - 1

(a) Average Income (b) National Income

15. The sectors are classified into public and private sectors on the basis of - 1

(a) Employment conditions

(b) The nature of economic activity

(d) Number of workers employed in the enterprise

16. Production of a commodity, mostly through the natural process is an activity of which of the following sector ? 1

(a) Primary (b) Secondary

PART - II

17. Explain the effect of the death of men of working age in Europe because of the 1^st World War? 3

How did the British manufacturers attempt to take over the Indian market with the help of advertisements.

Crime became an object of wide spread concern in London. Comment and state what steps were taken to control it?

18. Mention the major features of Indian manuscripts before the age of print. 3

In what ways was the novel in colonial India useful for both coloniser as well as the nationalists?

19. The Roman Catholic Church began keeping an index of prohibited books from the mid 19th century. Why?

By whom was Godan written? What does the novel narrate ? 3

20. How did print culture affect women in 19th century India? Explain. 3

What is the importance of using Vernacular in novels?

21. How are alluvilial soils formed ? How is Bangar different from Khadar ?

22. Describe the steps taken to conserve the flora and fauna of our country? 3

23. Write three advantages of multipurpose river valley projects? 3

24. Give reasons for why power sharing is desirable. 3

25. Is it possible that all the social differences cause social division in society? Explain 3

26. What are the reasons of social divisions? 3

27. What is communal politics? Explain. 3

28. What is meant by sustainability of development? Give its features. 3

29. What are the limitations of per capita income as an index of economic development? 3

30. In what ways more employment can be increased in rural areas? 3

31. How are activities in the economy classified on the basis of employment conditions? Explain. 3

32. Discuss the factors that led to the end of Bretton Woods system and the beginning of globalization. 4

What steps were taken by the East India Company to control the market of cotton and silk goods?

Why were a number of Bombay films about the lives of migrants?

33. Describe the geographical conditions required for the growth of sugarcane and tea crops. 2+2

34. Critically examine the concept of decentralization in India. 4

35. What are the advantages of working in an organised sector? 4

36. Three features with serial number 1 to 3 are marked on the political map of India. Identify these features with the help of the following information and write their correct names on the lines marked. 3

(1) Soil type(2) Major area of a type of forest (3) A fibre crop

Locate and label the following items with appropriate symbols on the same map. 3

(a) Sariska Tiger Reserve

(b) Rana Pratap Sagar Dam

Note : The following question is for visual impaired candidates only in lieu of Q. No. 36.

36.1 Name the soils which develop due to leaching.

36.2 Who proudly proclaimed the dams as the temples of modern