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A. Nagaraj’S Trin : 9845222682

I P.U.C.MATHEMATICS- ANNUAL EXAM-2014

Max. Marks:100

PART-A
ANSWER ALL THE QUESTIONS

10X1=10

1. If A = {1, 2} then Find the number of elements of P(A).
2. Let A = {1, 2,3, 4,5, 6} .Define R from A to A by R=
3. Find the Radian measure of 22 30′ . (OR) If cot x =
4. Find the Additive inverse of (−i ) .

{( x, y ) : y=

x + 1}. Write the elements of R.

3
and x lies in IIIrd Quadrant then find cos x .
4

(OR)

Write the conjugate of (-1/ i ).

5. A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there?
6. Write the first Five terms of the Sequence, whose nth terms is given by an =

2n − 3
.
6

7. Find the equation of the line through (-2,3) With slope -4.
8. Evaluate lim 1 + x + x 2 + ......... + x10  .

x →−1 
9. Write the Negation of “All triangles are not Equilateral triangle”.
10. Define simple event. Also write the sample space of tossing the coin Twice.
PART-B
Answer any Ten question

10x2=20

11. In a School there are 20 Teachers who teach mathematics or Physics . Of these 12 teach Mathematics and
4 Teach both Physics and Mathematics. How many teach Physics?

=
12. Let f

{(1,1) , ( 2,3) , ( 0, −1) , ( −1, −3)} be a linear function from Z to Z .Find

f ( x) .

13. The Minute hand of a watch is 1.5 cm long. How far does its tip move in 40 minutes?
14. Prove that

cos 7 x + cos 5 x
= cot x .
sin 7 x − sin 5 x

15. Express (−1 − i ) in Polar form (OR) Solve : x 2 + 3 x + 5 =.
0
16. Solve 7 x + 3 < 5 x + 9 . Show the Graph of the solutions on Number line.
17. Find a Point on the X-axis, Which is equidistant from the points (7,6) and (3,4).
18. Find the equation of the line Parallel to the line 3 x − 4 y + 2 = and Passing through the Point (-2,3).
0
19. Find the Coordinates of the Point which divides the line joining the points (-2,3,5) and (1,-4,6) internally
A. Nagaraj’S Trin : 9845222682

in the ratio 2:3.



x 4 − 81 
.
2
 2 x − 5x − 3 

20. Evaluate lim 
x →3

21. Write Converse and Contra positive of the Statement “If x is a Prime number ,then x is Odd”.
22. Coefficient of Variation of distribution are 60 and the standard deviation is 21. What is the arithmetic
Mean of the distribution?
23.A committee of two persons is selected from two men and two women. What is the Probability that the
committee will have no man?
24. If U = {1, 2,3, 4,5, 6, 7,8,9} , A = {2, 4, 6,8} and B = {2,3,5, 7} Verify that ( A ∪ B )′ =A′ ∩ B ′ .
PART – C
Answer any Ten questions.

10x3=30

25. In a Group of 70 People, 37 like Coffee, 52 like Tea and each person likes at least one of the two drinks,
How many People like both Coffee and Tea?
26. Let A = {1, 2,3, 4, 6} . Let R be the relation on A defined by {(a, b) : a, b ∈ A, b is exactly divisibleby a}
i) Write R in Roster form ii) Find the domain and Range of R.
27. Prove that cos 4 x = 1 − 8sin 2 x cos 2 x .

a + ib
, Prove that x 2 + y 2 =
1.
a − ib

28. If x + iy =

29. Find the modulus and argument of

1
.
1+ i

30. In how many Ways can the letters of the word “PERMUTATIONS”. Be arranged if the (i) Words start
with P and end with S. (ii) Vowels are all together

(iii) There are always 4 letters between P and S?
7


x3 
31. Find the middle terms in the expansion of  3 −
 .
6 

32. Insert 6 arithmetic means between 3 and 24.
33. Find the three numbers are in G.P. their sum is 13/12 and their product is (-1).
34. Find the equation of the circle,passing through the point (2,3) and radius 5,also whose centre lies on X-axis.
35. Find the Derivative of "cos x " w.r.t. x .From first principle.
36. Verify by the method of Contradiction that

2 is irrational.
A. Nagaraj’S Trin : 9845222682

37. Two dice are thrown and the sum of the numbers which come up on the dice is noted.Let us consider the
following events associated with this experiment A: ‘the sum is even’. B: ‘the sum is a multiple of 3’.
C: ‘the sum is less than 4’. D: ‘the sum is greater than 11’. Which pairs of these events are mutually
exclusive?
38. Find the Probability that when a hand of 7 cards is drawn from a well shuffled deck of 52 cards,it contains
(i) all Kings

(ii) 3 Kings

(iii) atleast 3 Kings.

6×5 =
30

PART - D
Answer any SIX questions

1 − x, x < 0

= = 0 Draw the graph of f ( x) .
x
39. The Function f is defined by f ( x) 1,
 x + 1, x > 0

 ta n θ 
 sin θ 

 = 1, Where θ measured in Radians .by using this Evaluate lim 
θ →0
 θ 
 θ 

40. Prove that lim 
θ →0

41.Prove by Mathematical induction

1
1
1
1
n
+
+
+ ........................... +
= .
2 ⋅ 5 5 ⋅ 8 8 ⋅ 11
(3n − 1) ⋅ (3n + 2) 6n + 4

42. Solve the following system of inequalities Graphically

x + 2 y ≤ 8; 2 x + y ≤ 8; x ≥ 0; an d y ≥ 0 .

43. A Group consists of 4 girls and 7 boys. In how many ways can a team of 5 members be selected if the
team has (i) no girl? (ii) at least one boy and one girl? (iii) at least 3 girls?
44. State and Prove Binomial theorem for Positive integral values of its exponent.
45. Derive the equation of the line having slope ' m ' and whose Y-intercept is ' c ' .
46. Find the coordinates of the point which divides the line joining the points ( x1 , y1 , z1 ) and ( x2 , y2 , z2 )
internally in the ratio m : n .

a + bx, x < 1

= = 1
x
47. Suppose f ( x)  4,
b − ax, x > 1


and if lim f ( x) = f (1) What are Possible values of a and b ? .
x →1

48. Find the mean deviation about the mean for the following data:

xi

2

5

6

8

10

12

fi

2

8

10

7

8

5
A. Nagaraj’S Trin : 9845222682

Part- E
Answer any One question

1x10=10

49. (a) Prove that sin( A + B ) sin A cos B + cos A sin B ,Geometrically.
=
(b) Find the Derivative of

50.

x + cos x
w.r.t.x .
tan x

(a) Define equation of an ellipse as a locus .Also Derive standard equation of Ellipse in the form

x2 y 2
1.
+
=
a 2 b2

(b) Find the Sum to n terms of the series 3 × 12 + 5 × 22 + 7 × 32 + ................. . .
-----------

-----------------

--------------------

--------------------------

--------------------

-------------------

Thought for the day:
 “Talk about your blessing more than you talk about your problems”.
“If you Always do your best, you will be free from regrets”.



 “Pleasure in the job puts Perfection in the work”.
 “Life is like a coin.Pleasure and pain are the two sides .Only one side is visible
at a time.But remember other side is waiting for its turn”.
 “Pray not for things,but for wisdom and courage”.
Attention!!!!.

Vacation classes start from
10-March-2014 .
Last Date to take Admission only for Mathematics is 25-jan-2014.




And last date to take Admission for P.C.M.B. is



Syllabus will be completed in 3 months.



Study materials will be provided to all students.



25-jan-2014.

Only limited seats for vacation batch.






FREE C.E.T.&JEE COACHING
C.E.T&JEE coaching will be Free For all Vacation batch students who

take admission before 15-jan-2014.
------------We Wish you all the best for your Annual Exams-----From:

A. Nagaraj

Shree susheela tutorials,

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Class XI - PUC-I annual exam question paper for year Annual exam-2014

  • 1. A. Nagaraj’S Trin : 9845222682 I P.U.C.MATHEMATICS- ANNUAL EXAM-2014 Max. Marks:100 PART-A ANSWER ALL THE QUESTIONS 10X1=10 1. If A = {1, 2} then Find the number of elements of P(A). 2. Let A = {1, 2,3, 4,5, 6} .Define R from A to A by R= 3. Find the Radian measure of 22 30′ . (OR) If cot x = 4. Find the Additive inverse of (−i ) . {( x, y ) : y= x + 1}. Write the elements of R. 3 and x lies in IIIrd Quadrant then find cos x . 4 (OR) Write the conjugate of (-1/ i ). 5. A coin is tossed 3 times and the outcomes are recorded. How many possible outcomes are there? 6. Write the first Five terms of the Sequence, whose nth terms is given by an = 2n − 3 . 6 7. Find the equation of the line through (-2,3) With slope -4. 8. Evaluate lim 1 + x + x 2 + ......... + x10  .  x →−1  9. Write the Negation of “All triangles are not Equilateral triangle”. 10. Define simple event. Also write the sample space of tossing the coin Twice. PART-B Answer any Ten question 10x2=20 11. In a School there are 20 Teachers who teach mathematics or Physics . Of these 12 teach Mathematics and 4 Teach both Physics and Mathematics. How many teach Physics? = 12. Let f {(1,1) , ( 2,3) , ( 0, −1) , ( −1, −3)} be a linear function from Z to Z .Find f ( x) . 13. The Minute hand of a watch is 1.5 cm long. How far does its tip move in 40 minutes? 14. Prove that cos 7 x + cos 5 x = cot x . sin 7 x − sin 5 x 15. Express (−1 − i ) in Polar form (OR) Solve : x 2 + 3 x + 5 =. 0 16. Solve 7 x + 3 < 5 x + 9 . Show the Graph of the solutions on Number line. 17. Find a Point on the X-axis, Which is equidistant from the points (7,6) and (3,4). 18. Find the equation of the line Parallel to the line 3 x − 4 y + 2 = and Passing through the Point (-2,3). 0 19. Find the Coordinates of the Point which divides the line joining the points (-2,3,5) and (1,-4,6) internally
  • 2. A. Nagaraj’S Trin : 9845222682 in the ratio 2:3.  x 4 − 81  . 2  2 x − 5x − 3  20. Evaluate lim  x →3 21. Write Converse and Contra positive of the Statement “If x is a Prime number ,then x is Odd”. 22. Coefficient of Variation of distribution are 60 and the standard deviation is 21. What is the arithmetic Mean of the distribution? 23.A committee of two persons is selected from two men and two women. What is the Probability that the committee will have no man? 24. If U = {1, 2,3, 4,5, 6, 7,8,9} , A = {2, 4, 6,8} and B = {2,3,5, 7} Verify that ( A ∪ B )′ =A′ ∩ B ′ . PART – C Answer any Ten questions. 10x3=30 25. In a Group of 70 People, 37 like Coffee, 52 like Tea and each person likes at least one of the two drinks, How many People like both Coffee and Tea? 26. Let A = {1, 2,3, 4, 6} . Let R be the relation on A defined by {(a, b) : a, b ∈ A, b is exactly divisibleby a} i) Write R in Roster form ii) Find the domain and Range of R. 27. Prove that cos 4 x = 1 − 8sin 2 x cos 2 x . a + ib , Prove that x 2 + y 2 = 1. a − ib 28. If x + iy = 29. Find the modulus and argument of 1 . 1+ i 30. In how many Ways can the letters of the word “PERMUTATIONS”. Be arranged if the (i) Words start with P and end with S. (ii) Vowels are all together (iii) There are always 4 letters between P and S? 7  x3  31. Find the middle terms in the expansion of  3 −  . 6   32. Insert 6 arithmetic means between 3 and 24. 33. Find the three numbers are in G.P. their sum is 13/12 and their product is (-1). 34. Find the equation of the circle,passing through the point (2,3) and radius 5,also whose centre lies on X-axis. 35. Find the Derivative of "cos x " w.r.t. x .From first principle. 36. Verify by the method of Contradiction that 2 is irrational.
  • 3. A. Nagaraj’S Trin : 9845222682 37. Two dice are thrown and the sum of the numbers which come up on the dice is noted.Let us consider the following events associated with this experiment A: ‘the sum is even’. B: ‘the sum is a multiple of 3’. C: ‘the sum is less than 4’. D: ‘the sum is greater than 11’. Which pairs of these events are mutually exclusive? 38. Find the Probability that when a hand of 7 cards is drawn from a well shuffled deck of 52 cards,it contains (i) all Kings (ii) 3 Kings (iii) atleast 3 Kings. 6×5 = 30 PART - D Answer any SIX questions 1 − x, x < 0  = = 0 Draw the graph of f ( x) . x 39. The Function f is defined by f ( x) 1,  x + 1, x > 0   ta n θ   sin θ    = 1, Where θ measured in Radians .by using this Evaluate lim  θ →0  θ   θ  40. Prove that lim  θ →0 41.Prove by Mathematical induction 1 1 1 1 n + + + ........................... + = . 2 ⋅ 5 5 ⋅ 8 8 ⋅ 11 (3n − 1) ⋅ (3n + 2) 6n + 4 42. Solve the following system of inequalities Graphically x + 2 y ≤ 8; 2 x + y ≤ 8; x ≥ 0; an d y ≥ 0 . 43. A Group consists of 4 girls and 7 boys. In how many ways can a team of 5 members be selected if the team has (i) no girl? (ii) at least one boy and one girl? (iii) at least 3 girls? 44. State and Prove Binomial theorem for Positive integral values of its exponent. 45. Derive the equation of the line having slope ' m ' and whose Y-intercept is ' c ' . 46. Find the coordinates of the point which divides the line joining the points ( x1 , y1 , z1 ) and ( x2 , y2 , z2 ) internally in the ratio m : n . a + bx, x < 1  = = 1 x 47. Suppose f ( x)  4, b − ax, x > 1  and if lim f ( x) = f (1) What are Possible values of a and b ? . x →1 48. Find the mean deviation about the mean for the following data: xi 2 5 6 8 10 12 fi 2 8 10 7 8 5
  • 4. A. Nagaraj’S Trin : 9845222682 Part- E Answer any One question 1x10=10 49. (a) Prove that sin( A + B ) sin A cos B + cos A sin B ,Geometrically. = (b) Find the Derivative of 50. x + cos x w.r.t.x . tan x (a) Define equation of an ellipse as a locus .Also Derive standard equation of Ellipse in the form x2 y 2 1. + = a 2 b2 (b) Find the Sum to n terms of the series 3 × 12 + 5 × 22 + 7 × 32 + ................. . . ----------- ----------------- -------------------- -------------------------- -------------------- ------------------- Thought for the day:  “Talk about your blessing more than you talk about your problems”. “If you Always do your best, you will be free from regrets”.   “Pleasure in the job puts Perfection in the work”.  “Life is like a coin.Pleasure and pain are the two sides .Only one side is visible at a time.But remember other side is waiting for its turn”.  “Pray not for things,but for wisdom and courage”. Attention!!!!. Vacation classes start from 10-March-2014 . Last Date to take Admission only for Mathematics is 25-jan-2014.   And last date to take Admission for P.C.M.B. is  Syllabus will be completed in 3 months.  Study materials will be provided to all students.  25-jan-2014. Only limited seats for vacation batch.    FREE C.E.T.&JEE COACHING C.E.T&JEE coaching will be Free For all Vacation batch students who take admission before 15-jan-2014. ------------We Wish you all the best for your Annual Exams-----From: A. Nagaraj Shree susheela tutorials,