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Page 1
CBSE XI | Mathematics
Sample Paper – 1
CBSE Board
Class XI Mathematics
Sample Paper – 1
Time: 3 hrs Total Marks: 100
General Instructions:
1. All questions are compulsory.
2. The question paper consist of 29 questions.
3. Questions 1 – 4 in Section A are very short answer type questions carrying 1 mark
each.
4. Questions 5 – 12 in Section B are short-answer type questions carrying 2 mark each.
5. Questions 13 – 23 in Section C are long-answer I type questions carrying 4 mark
each.
6. Questions 24 – 29 in Section D are long-answer type II questions carrying 6 mark
each.
SECTION – A
1. Find the derivative of sin(x + 1).
2. Find the truth value of p: ‘Every real number is either prime or composite.’
3. Simplify:
1 3i
1 2i
?
?
OR
Show that i
n
+ i
n + 1
+ i
n + 2
+ i
n + 3
= 0, for all i ? N.
4. A coin is tossed twice. Find the probability of getting at least one head.
SECTION – B
5. A and B are two sets such that n(A - B) = 14 + x , n(B - A) = 3x and n(A ? B) = x, draw
a Venn diagram to illustrate the information. If n(A) = n(B) , then find the value of x .
6. If the power sets of two sets are equal, then show that the sets are also equal.
OR
If a ?N such that aN = {ax : x ?N}. Describe the set 3N n 7N?
7. There are 11 teachers who teach mathematics or physics in school. Of these, 7 teach
mathematics and 3 teach both subjects. How may teach physics?
OR
Page 2
CBSE XI | Mathematics
Sample Paper – 1
CBSE Board
Class XI Mathematics
Sample Paper – 1
Time: 3 hrs Total Marks: 100
General Instructions:
1. All questions are compulsory.
2. The question paper consist of 29 questions.
3. Questions 1 – 4 in Section A are very short answer type questions carrying 1 mark
each.
4. Questions 5 – 12 in Section B are short-answer type questions carrying 2 mark each.
5. Questions 13 – 23 in Section C are long-answer I type questions carrying 4 mark
each.
6. Questions 24 – 29 in Section D are long-answer type II questions carrying 6 mark
each.
SECTION – A
1. Find the derivative of sin(x + 1).
2. Find the truth value of p: ‘Every real number is either prime or composite.’
3. Simplify:
1 3i
1 2i
?
?
OR
Show that i
n
+ i
n + 1
+ i
n + 2
+ i
n + 3
= 0, for all i ? N.
4. A coin is tossed twice. Find the probability of getting at least one head.
SECTION – B
5. A and B are two sets such that n(A - B) = 14 + x , n(B - A) = 3x and n(A ? B) = x, draw
a Venn diagram to illustrate the information. If n(A) = n(B) , then find the value of x .
6. If the power sets of two sets are equal, then show that the sets are also equal.
OR
If a ?N such that aN = {ax : x ?N}. Describe the set 3N n 7N?
7. There are 11 teachers who teach mathematics or physics in school. Of these, 7 teach
mathematics and 3 teach both subjects. How may teach physics?
OR
CBSE XI | Mathematics
Sample Paper – 1
Let A and B be two sets such that : n(A) = 20, n(A ? B) = 42 and n(A n B) = 4. Find n(B)
and n(A – B).
8. Let A = {1, 2} and B = {3, 4}. Write A × B. How many subsets will A × B have? Also list
them
9.
cos A sin A
Prove that: cos A sin A
1 tan A 1 cot A
? ? ? ?
? ? ?
? ? ? ?
??
? ? ? ?
OR
Prove that cot
4
? + cot
2
? = cosec
4
? - cosec
2
?
10. Write contrapositive of the following statements :
1. A number is divisible by 9, then it is divisible by 3.
2. If you are born in India, then you are citizen of India.
11. Find sum : 10
3
+ 11
3
+ 12
3
+…..+20
3
12. Three consecutive vertices of a parallelogram ABCD are A (4, -11), B (5, 3) & C (2, 15).
Find D.
SECTION – C
13. If f and g are two functions: R ? R; f(x) = 2x – 1, g(x) = 2x + 3, then evaluate
? ? ? ? ? ?
f
(i) f g (x) (ii) f g (x) (iii) fg (x) (iv) (x)
g
??
??
??
??
14. Let R be a relation from N to N defined by R = {( a, b) ?N and a = b
4
}. Determine if the
relation is
(i) Reflexive (ii) Symmetric (iii) Transitive (iv) Equivalence
15. In a ?ABC, if a = 3, b = 5, c = 7, find cosA, cosB and cosC.
16. Find the square root of the complex number 5 - 12i.
17. Find the probability such that when 7 cards are drawn from a well shuffled deck of 52
cards, all the aces are obtained.
18. Find the sum to infinity of the series:
2 3 4 5 6
1 1 1 1 1 1
...
3
5 3 5 3 5
? ? ? ? ? ?
19. In how many ways can the letters of the word ‘Mathematics’ be arranged so that the (i)
vowels are together (ii) vowels are not together
Page 3
CBSE XI | Mathematics
Sample Paper – 1
CBSE Board
Class XI Mathematics
Sample Paper – 1
Time: 3 hrs Total Marks: 100
General Instructions:
1. All questions are compulsory.
2. The question paper consist of 29 questions.
3. Questions 1 – 4 in Section A are very short answer type questions carrying 1 mark
each.
4. Questions 5 – 12 in Section B are short-answer type questions carrying 2 mark each.
5. Questions 13 – 23 in Section C are long-answer I type questions carrying 4 mark
each.
6. Questions 24 – 29 in Section D are long-answer type II questions carrying 6 mark
each.
SECTION – A
1. Find the derivative of sin(x + 1).
2. Find the truth value of p: ‘Every real number is either prime or composite.’
3. Simplify:
1 3i
1 2i
?
?
OR
Show that i
n
+ i
n + 1
+ i
n + 2
+ i
n + 3
= 0, for all i ? N.
4. A coin is tossed twice. Find the probability of getting at least one head.
SECTION – B
5. A and B are two sets such that n(A - B) = 14 + x , n(B - A) = 3x and n(A ? B) = x, draw
a Venn diagram to illustrate the information. If n(A) = n(B) , then find the value of x .
6. If the power sets of two sets are equal, then show that the sets are also equal.
OR
If a ?N such that aN = {ax : x ?N}. Describe the set 3N n 7N?
7. There are 11 teachers who teach mathematics or physics in school. Of these, 7 teach
mathematics and 3 teach both subjects. How may teach physics?
OR
CBSE XI | Mathematics
Sample Paper – 1
Let A and B be two sets such that : n(A) = 20, n(A ? B) = 42 and n(A n B) = 4. Find n(B)
and n(A – B).
8. Let A = {1, 2} and B = {3, 4}. Write A × B. How many subsets will A × B have? Also list
them
9.
cos A sin A
Prove that: cos A sin A
1 tan A 1 cot A
? ? ? ?
? ? ?
? ? ? ?
??
? ? ? ?
OR
Prove that cot
4
? + cot
2
? = cosec
4
? - cosec
2
?
10. Write contrapositive of the following statements :
1. A number is divisible by 9, then it is divisible by 3.
2. If you are born in India, then you are citizen of India.
11. Find sum : 10
3
+ 11
3
+ 12
3
+…..+20
3
12. Three consecutive vertices of a parallelogram ABCD are A (4, -11), B (5, 3) & C (2, 15).
Find D.
SECTION – C
13. If f and g are two functions: R ? R; f(x) = 2x – 1, g(x) = 2x + 3, then evaluate
? ? ? ? ? ?
f
(i) f g (x) (ii) f g (x) (iii) fg (x) (iv) (x)
g
??
??
??
??
14. Let R be a relation from N to N defined by R = {( a, b) ?N and a = b
4
}. Determine if the
relation is
(i) Reflexive (ii) Symmetric (iii) Transitive (iv) Equivalence
15. In a ?ABC, if a = 3, b = 5, c = 7, find cosA, cosB and cosC.
16. Find the square root of the complex number 5 - 12i.
17. Find the probability such that when 7 cards are drawn from a well shuffled deck of 52
cards, all the aces are obtained.
18. Find the sum to infinity of the series:
2 3 4 5 6
1 1 1 1 1 1
...
3
5 3 5 3 5
? ? ? ? ? ?
19. In how many ways can the letters of the word ‘Mathematics’ be arranged so that the (i)
vowels are together (ii) vowels are not together
CBSE XI | Mathematics
Sample Paper – 1
OR
In how many ways can 5 girls and 3 boys be seated in a row with 11 chairs so that no
two boys sit together?
20. A point M with x-coordinate 4 lies on the line segment joining the points P(2, –3, 4) and
Q (8, 0, 10). Find the co-ordinates of the point M.
OR
Find the equation of the set of points such that the sum of the square of its distance
from the points (3, 4, 5) and (-1, 3,-7) is a constant.
21. Solve for x: tan2x + sec
2
2x - 1 = 0
OR
Solve for x: sinx + sin2x + sin3x = 0
22. Evaluate:
x0
1
log 10 log x
10
lim
x ?
??
??
??
??
23. Write down the binomial expression (1 + x)
n + 1
, when x = 8. Deduce that 9
n + 1
- 8n – 9 is
divisible by 64, when n is an integer.
SECTION – D
24.
4 x x x
If x and tanx ,find sin , cos , tan .
2 3 2 2 2
?
? ? ? ? ?
OR
Show that 3cosec20 sec20 ? ? ? .
25. Find the mean deviation about the median for the following data:
Marks No. of students
0-10 5
10-20 10
20-30 20
30-40 5
40-50 10
26. Prove by the principle of Mathematical Induction that every even power of every odd
integer greater than one when divided by 8 leaves one as the remainder.
27. Solve the following system of inequalities graphically:
x + 2y ? 10; x + y ? 1; x - y ? 0; x ? 0; y ? 0
OR
Page 4
CBSE XI | Mathematics
Sample Paper – 1
CBSE Board
Class XI Mathematics
Sample Paper – 1
Time: 3 hrs Total Marks: 100
General Instructions:
1. All questions are compulsory.
2. The question paper consist of 29 questions.
3. Questions 1 – 4 in Section A are very short answer type questions carrying 1 mark
each.
4. Questions 5 – 12 in Section B are short-answer type questions carrying 2 mark each.
5. Questions 13 – 23 in Section C are long-answer I type questions carrying 4 mark
each.
6. Questions 24 – 29 in Section D are long-answer type II questions carrying 6 mark
each.
SECTION – A
1. Find the derivative of sin(x + 1).
2. Find the truth value of p: ‘Every real number is either prime or composite.’
3. Simplify:
1 3i
1 2i
?
?
OR
Show that i
n
+ i
n + 1
+ i
n + 2
+ i
n + 3
= 0, for all i ? N.
4. A coin is tossed twice. Find the probability of getting at least one head.
SECTION – B
5. A and B are two sets such that n(A - B) = 14 + x , n(B - A) = 3x and n(A ? B) = x, draw
a Venn diagram to illustrate the information. If n(A) = n(B) , then find the value of x .
6. If the power sets of two sets are equal, then show that the sets are also equal.
OR
If a ?N such that aN = {ax : x ?N}. Describe the set 3N n 7N?
7. There are 11 teachers who teach mathematics or physics in school. Of these, 7 teach
mathematics and 3 teach both subjects. How may teach physics?
OR
CBSE XI | Mathematics
Sample Paper – 1
Let A and B be two sets such that : n(A) = 20, n(A ? B) = 42 and n(A n B) = 4. Find n(B)
and n(A – B).
8. Let A = {1, 2} and B = {3, 4}. Write A × B. How many subsets will A × B have? Also list
them
9.
cos A sin A
Prove that: cos A sin A
1 tan A 1 cot A
? ? ? ?
? ? ?
? ? ? ?
??
? ? ? ?
OR
Prove that cot
4
? + cot
2
? = cosec
4
? - cosec
2
?
10. Write contrapositive of the following statements :
1. A number is divisible by 9, then it is divisible by 3.
2. If you are born in India, then you are citizen of India.
11. Find sum : 10
3
+ 11
3
+ 12
3
+…..+20
3
12. Three consecutive vertices of a parallelogram ABCD are A (4, -11), B (5, 3) & C (2, 15).
Find D.
SECTION – C
13. If f and g are two functions: R ? R; f(x) = 2x – 1, g(x) = 2x + 3, then evaluate
? ? ? ? ? ?
f
(i) f g (x) (ii) f g (x) (iii) fg (x) (iv) (x)
g
??
??
??
??
14. Let R be a relation from N to N defined by R = {( a, b) ?N and a = b
4
}. Determine if the
relation is
(i) Reflexive (ii) Symmetric (iii) Transitive (iv) Equivalence
15. In a ?ABC, if a = 3, b = 5, c = 7, find cosA, cosB and cosC.
16. Find the square root of the complex number 5 - 12i.
17. Find the probability such that when 7 cards are drawn from a well shuffled deck of 52
cards, all the aces are obtained.
18. Find the sum to infinity of the series:
2 3 4 5 6
1 1 1 1 1 1
...
3
5 3 5 3 5
? ? ? ? ? ?
19. In how many ways can the letters of the word ‘Mathematics’ be arranged so that the (i)
vowels are together (ii) vowels are not together
CBSE XI | Mathematics
Sample Paper – 1
OR
In how many ways can 5 girls and 3 boys be seated in a row with 11 chairs so that no
two boys sit together?
20. A point M with x-coordinate 4 lies on the line segment joining the points P(2, –3, 4) and
Q (8, 0, 10). Find the co-ordinates of the point M.
OR
Find the equation of the set of points such that the sum of the square of its distance
from the points (3, 4, 5) and (-1, 3,-7) is a constant.
21. Solve for x: tan2x + sec
2
2x - 1 = 0
OR
Solve for x: sinx + sin2x + sin3x = 0
22. Evaluate:
x0
1
log 10 log x
10
lim
x ?
??
??
??
??
23. Write down the binomial expression (1 + x)
n + 1
, when x = 8. Deduce that 9
n + 1
- 8n – 9 is
divisible by 64, when n is an integer.
SECTION – D
24.
4 x x x
If x and tanx ,find sin , cos , tan .
2 3 2 2 2
?
? ? ? ? ?
OR
Show that 3cosec20 sec20 ? ? ? .
25. Find the mean deviation about the median for the following data:
Marks No. of students
0-10 5
10-20 10
20-30 20
30-40 5
40-50 10
26. Prove by the principle of Mathematical Induction that every even power of every odd
integer greater than one when divided by 8 leaves one as the remainder.
27. Solve the following system of inequalities graphically:
x + 2y ? 10; x + y ? 1; x - y ? 0; x ? 0; y ? 0
OR
CBSE XI | Mathematics
Sample Paper – 1
For the purpose of an experiment an acid solution between 4% and 6% is required.
640 liters of 8% acid solution and a 2% acid solution are available in a laboratory. How
many liters of the 2% solution needs to be added to the 8% solution?
28. The first three terms in the binomial expansion of (a + b)
n
are given to be 729, 7290
and 30375 respectively. Find a, b and n.
29. A student wants to buy a computer for Rs. 12,000. He has saved up to Rs. 6000 which
he pays as cash. He is to pay the balance in annual installments of Rs. 500 plus an
interest of 12% on the unpaid amount. How much will the computer cost him?
OR
Find the value of
2 2 2
2 2 2
1 2 2 3 3 4 ....uptill the nth term
1 2 2 3 3 4 ....uptill the nth term
? ? ? ? ? ?
? ? ? ? ? ?
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FAQs on Sample Question Paper 1 - Math, Class 11 - Mathematics (Maths) Class 11 - Commerce
| 1. What are the important topics in Class 11 Math? |  |
Ans. Some important topics in Class 11 Math include Sets, Relations and Functions, Trigonometry, Statistics, Probability, and Coordinate Geometry.
| 2. How can I improve my performance in Class 11 Math? | |
Ans. To improve your performance in Class 11 Math, you can practice regularly, solve previous year question papers, seek help from your teacher or classmates, and use online resources such as educational websites and video tutorials.
| 3. What is the best way to prepare for Class 11 Math exams? | |
Ans. The best way to prepare for Class 11 Math exams is to create a study schedule and follow it consistently. Understand the concepts thoroughly, practice solving problems from different sources, revise regularly, and solve sample question papers to familiarize yourself with the exam pattern and time management.
| 4. How can I score well in the Class 11 Math exam? | |
Ans. To score well in the Class 11 Math exam, it is important to have a clear understanding of the concepts and formulas. Practice solving problems from various sources, work on your problem-solving skills, and manage your time effectively during the exam. Additionally, seek help from your teacher or classmates whenever you face difficulties in understanding any topic.
| 5. Are there any online resources available for Class 11 Math preparation? | |
Ans. Yes, there are several online resources available for Class 11 Math preparation. You can find educational websites, video tutorials, online practice tests, and question banks that can help you in understanding the concepts and practicing problems. Some popular websites include Khan Academy, Study.com, and BYJU'S.
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