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CBSE XII | Mathematics 
Sample Paper  
 
     
Mathematics 
Class XII 
Sample Paper  
Time: 3 hours                    Total Marks: 100 
 
1. All questions are compulsory. 
2. The question paper consist of 29 questions divided into three sections A, B, C and D. 
Section A comprises of 4 questions of one mark each, section B comprises of 8 
questions of two marks each, section C comprises of  11 questions of four marks 
each and section D comprises of 6 questions of six marks each. 
3. Use of calculators is not permitted. 
 
Section-A 
1. If ?
3x 7
10
24
 then find the value of x. 
 
OR 
 
If A is a 3 × 3 matrix |3A| = k|A|, then write the value of k. 
 
 
2. Determine the value of constant k, so that the function 
2
f(x) kx x 2
3 x 2
??
??
  
Is continuous at x=2 
 
3. Evaluate:  
2
3
x
dx
1x
?
?
 
 
4. Write the intercept cut off by the plane 2x + y – z = 5 on x-axis.  
 
 
Section-B 
5. Find A
-1
 using elementary transformations 
2 3 3
2 2 3
3 2 2
? ??
??
??
?? ?
??
 
 
6. Find the points on the curve x
2
 + y
2
 – 2x – 3= 0 at which the tangents are parallel to x-
axis. 
Page 2


  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
Mathematics 
Class XII 
Sample Paper  
Time: 3 hours                    Total Marks: 100 
 
1. All questions are compulsory. 
2. The question paper consist of 29 questions divided into three sections A, B, C and D. 
Section A comprises of 4 questions of one mark each, section B comprises of 8 
questions of two marks each, section C comprises of  11 questions of four marks 
each and section D comprises of 6 questions of six marks each. 
3. Use of calculators is not permitted. 
 
Section-A 
1. If ?
3x 7
10
24
 then find the value of x. 
 
OR 
 
If A is a 3 × 3 matrix |3A| = k|A|, then write the value of k. 
 
 
2. Determine the value of constant k, so that the function 
2
f(x) kx x 2
3 x 2
??
??
  
Is continuous at x=2 
 
3. Evaluate:  
2
3
x
dx
1x
?
?
 
 
4. Write the intercept cut off by the plane 2x + y – z = 5 on x-axis.  
 
 
Section-B 
5. Find A
-1
 using elementary transformations 
2 3 3
2 2 3
3 2 2
? ??
??
??
?? ?
??
 
 
6. Find the points on the curve x
2
 + y
2
 – 2x – 3= 0 at which the tangents are parallel to x-
axis. 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
Find the equation of tangents to the curve y = x
3
 + 2x – 4, which are perpendicular to 
line x + 14y + 3 = 0.  
 
7. Discuss the applicability of Lagrange’s mean value theorem for the function: 
     
 f(x) = sinx in the interval ,
22
?? ??
?
??
??
 
8. Give the intervals in which the function f(x) = 
4sin x 2x x cos x
2 cos x
??
?
 is increasing or 
decreasing. 
 
9. Find the angle between the line 
   
x 1 y z 3
2 3 6
??
?? and the plane 10x + 2y – 11z = 3 
 
10. A company has two plants to manufacturing scooters. Plant I manufactures 70% of the 
scooters and plant II manufactures 30%. At plant I, 30% of the scooters are rated of 
standard quality and at plant II, 90% of the scooters are rated of standard quality. A 
scooter is chosen at random and is found to be of standard quality. Find the probability 
that it is manufactured by plant II. 
OR 
A and B throw a pair of dice alternately, till one of them gets a total of 10 and wins the 
game. Find their respective probabilities of winning, if A starts first. 
 
 
11. A factory owner purchases two types of machines, A and B for his factory. The 
requirements and the limitations for the machines are as follows: 
 
 
Machine Area occupied Labour force Daily output (in units) 
A 1000 m
2
 12 men 60 
B 1200 m
2
 8 men 40 
    
       He has maximum area of 9000 m
2
 available, and 72 skilled labourers who can 
    operate both the machines. How many machines of each type should he buy to 
    maximise the daily output? 
  
Page 3


  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
Mathematics 
Class XII 
Sample Paper  
Time: 3 hours                    Total Marks: 100 
 
1. All questions are compulsory. 
2. The question paper consist of 29 questions divided into three sections A, B, C and D. 
Section A comprises of 4 questions of one mark each, section B comprises of 8 
questions of two marks each, section C comprises of  11 questions of four marks 
each and section D comprises of 6 questions of six marks each. 
3. Use of calculators is not permitted. 
 
Section-A 
1. If ?
3x 7
10
24
 then find the value of x. 
 
OR 
 
If A is a 3 × 3 matrix |3A| = k|A|, then write the value of k. 
 
 
2. Determine the value of constant k, so that the function 
2
f(x) kx x 2
3 x 2
??
??
  
Is continuous at x=2 
 
3. Evaluate:  
2
3
x
dx
1x
?
?
 
 
4. Write the intercept cut off by the plane 2x + y – z = 5 on x-axis.  
 
 
Section-B 
5. Find A
-1
 using elementary transformations 
2 3 3
2 2 3
3 2 2
? ??
??
??
?? ?
??
 
 
6. Find the points on the curve x
2
 + y
2
 – 2x – 3= 0 at which the tangents are parallel to x-
axis. 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
Find the equation of tangents to the curve y = x
3
 + 2x – 4, which are perpendicular to 
line x + 14y + 3 = 0.  
 
7. Discuss the applicability of Lagrange’s mean value theorem for the function: 
     
 f(x) = sinx in the interval ,
22
?? ??
?
??
??
 
8. Give the intervals in which the function f(x) = 
4sin x 2x x cos x
2 cos x
??
?
 is increasing or 
decreasing. 
 
9. Find the angle between the line 
   
x 1 y z 3
2 3 6
??
?? and the plane 10x + 2y – 11z = 3 
 
10. A company has two plants to manufacturing scooters. Plant I manufactures 70% of the 
scooters and plant II manufactures 30%. At plant I, 30% of the scooters are rated of 
standard quality and at plant II, 90% of the scooters are rated of standard quality. A 
scooter is chosen at random and is found to be of standard quality. Find the probability 
that it is manufactured by plant II. 
OR 
A and B throw a pair of dice alternately, till one of them gets a total of 10 and wins the 
game. Find their respective probabilities of winning, if A starts first. 
 
 
11. A factory owner purchases two types of machines, A and B for his factory. The 
requirements and the limitations for the machines are as follows: 
 
 
Machine Area occupied Labour force Daily output (in units) 
A 1000 m
2
 12 men 60 
B 1200 m
2
 8 men 40 
    
       He has maximum area of 9000 m
2
 available, and 72 skilled labourers who can 
    operate both the machines. How many machines of each type should he buy to 
    maximise the daily output? 
  
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
12.  Find 
? ?
4
2
x dx
x 1)(x 1) ??
?
 
                OR 
Find : 
2
(x 3) 3 4x x dx.
?
? ? ? 
 
 
Section C 
 
13. Prove that 
?
??
? ? ? ? ?
? ? ? ? ?
??
??
? ? ?
??
1
1 cosx 1 cosx x 3
tan if x
4 2 2
1 cosx 1 cosx
  
 
14. Find the inverse of the matrix 
A =
1 1 0
6 3 2
5 1 4
??
??
??
??
??
, if it exists using elementary transformations.   
                OR 
 
Using the matrix method, solve the given system of equations : 
              
2 3 10 4 6 5 6 9 20
4; 1; 2
x y z x y z x y z
??
? ? ? ? ? ? ? ? ?
 
 
15. Find 
dy
dx
 if (x² + y²)
2
 = xy. 
OR 
 
       Differentiate the following function w.r.t. x: 
y = (sin)
x
 + sin
-1
x
 
 
16. Evaluate the integral: 
 
11
11
sin x cos x
dx
sin x cos x
??
??
?
?
?
 
 
17. 
 
Prove that, 
 
0
x
dx
1 sin x
?
?
??
?
 
                                                                           
 
Page 4


  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
Mathematics 
Class XII 
Sample Paper  
Time: 3 hours                    Total Marks: 100 
 
1. All questions are compulsory. 
2. The question paper consist of 29 questions divided into three sections A, B, C and D. 
Section A comprises of 4 questions of one mark each, section B comprises of 8 
questions of two marks each, section C comprises of  11 questions of four marks 
each and section D comprises of 6 questions of six marks each. 
3. Use of calculators is not permitted. 
 
Section-A 
1. If ?
3x 7
10
24
 then find the value of x. 
 
OR 
 
If A is a 3 × 3 matrix |3A| = k|A|, then write the value of k. 
 
 
2. Determine the value of constant k, so that the function 
2
f(x) kx x 2
3 x 2
??
??
  
Is continuous at x=2 
 
3. Evaluate:  
2
3
x
dx
1x
?
?
 
 
4. Write the intercept cut off by the plane 2x + y – z = 5 on x-axis.  
 
 
Section-B 
5. Find A
-1
 using elementary transformations 
2 3 3
2 2 3
3 2 2
? ??
??
??
?? ?
??
 
 
6. Find the points on the curve x
2
 + y
2
 – 2x – 3= 0 at which the tangents are parallel to x-
axis. 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
Find the equation of tangents to the curve y = x
3
 + 2x – 4, which are perpendicular to 
line x + 14y + 3 = 0.  
 
7. Discuss the applicability of Lagrange’s mean value theorem for the function: 
     
 f(x) = sinx in the interval ,
22
?? ??
?
??
??
 
8. Give the intervals in which the function f(x) = 
4sin x 2x x cos x
2 cos x
??
?
 is increasing or 
decreasing. 
 
9. Find the angle between the line 
   
x 1 y z 3
2 3 6
??
?? and the plane 10x + 2y – 11z = 3 
 
10. A company has two plants to manufacturing scooters. Plant I manufactures 70% of the 
scooters and plant II manufactures 30%. At plant I, 30% of the scooters are rated of 
standard quality and at plant II, 90% of the scooters are rated of standard quality. A 
scooter is chosen at random and is found to be of standard quality. Find the probability 
that it is manufactured by plant II. 
OR 
A and B throw a pair of dice alternately, till one of them gets a total of 10 and wins the 
game. Find their respective probabilities of winning, if A starts first. 
 
 
11. A factory owner purchases two types of machines, A and B for his factory. The 
requirements and the limitations for the machines are as follows: 
 
 
Machine Area occupied Labour force Daily output (in units) 
A 1000 m
2
 12 men 60 
B 1200 m
2
 8 men 40 
    
       He has maximum area of 9000 m
2
 available, and 72 skilled labourers who can 
    operate both the machines. How many machines of each type should he buy to 
    maximise the daily output? 
  
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
12.  Find 
? ?
4
2
x dx
x 1)(x 1) ??
?
 
                OR 
Find : 
2
(x 3) 3 4x x dx.
?
? ? ? 
 
 
Section C 
 
13. Prove that 
?
??
? ? ? ? ?
? ? ? ? ?
??
??
? ? ?
??
1
1 cosx 1 cosx x 3
tan if x
4 2 2
1 cosx 1 cosx
  
 
14. Find the inverse of the matrix 
A =
1 1 0
6 3 2
5 1 4
??
??
??
??
??
, if it exists using elementary transformations.   
                OR 
 
Using the matrix method, solve the given system of equations : 
              
2 3 10 4 6 5 6 9 20
4; 1; 2
x y z x y z x y z
??
? ? ? ? ? ? ? ? ?
 
 
15. Find 
dy
dx
 if (x² + y²)
2
 = xy. 
OR 
 
       Differentiate the following function w.r.t. x: 
y = (sin)
x
 + sin
-1
x
 
 
16. Evaluate the integral: 
 
11
11
sin x cos x
dx
sin x cos x
??
??
?
?
?
 
 
17. 
 
Prove that, 
 
0
x
dx
1 sin x
?
?
??
?
 
                                                                           
 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
                         
 
                 Evaluate: ? ?
2
1
0
2sinxcosx tan sinx dx
?
?
?
.
 
  
18.  Show that the differential equation 2ye
x/y 
dx + (y - 2x e
x/y
) dy = 0 is homogeneous.  
Find the particular solution of this differential equation, given that x = 0 when y = 1. 
 
 
19. ? ? ? ? ? ? ? Given that b 2i 4j 5k and c i 2j 3k , such that the scalar product of 
?? a=i j k and unit vector along sum of the given two vectors b and c is unity. Find this 
unit vector. 
 
20. Find the vector equation of the plane passing through three points with position vectors 
i j 2k,2i j k and i 2j k. Also, find the coordinates of the point of intersection of 
this plane and the line r 3i j k 2i 2j k .
 
 
21. An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck 
drivers. The probability of an accident involving a scooter, a car and a truck are 0.01, 
0.03 and 0.15 respectively. One of the insured persons meets with an accident. What is 
the probability that he is a scooter driver?  
 
22. A random variable X has the following probability distribution: 
 
X 0 1 2 3 4 5 6 7 
P(X) 0 k 2k 2k 3k k
2
 2k
2 
7k
2
 +k 
 
 
        Determine: (i) k (ii) P(X < 3) (iii) P(X > 6) (iv) P(1 ?  X < 3) 
 
 
23. A nutritionist has to develop a special diet using two foods P and Q. Each packet 
(containing 30g) of food P contains 12 units of calcium, 4 units of iron, 6 units of 
cholesterol and 6 units of vitamin A. Each packet of the same quantity of food Q 
contains 3 units of calcium, 20 units of iron, 4 units of cholesterol and 3 units of vitamin 
A. The diet requires at least 240 units of calcium, atleast 460 units of iron and atmost 
300 units of cholesterol. How many packet of each food should be used to minimise the 
amount of vitamin A in the diet? What is the minimum amount of vitamin A? 
 
 
 
 
Page 5


  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
Mathematics 
Class XII 
Sample Paper  
Time: 3 hours                    Total Marks: 100 
 
1. All questions are compulsory. 
2. The question paper consist of 29 questions divided into three sections A, B, C and D. 
Section A comprises of 4 questions of one mark each, section B comprises of 8 
questions of two marks each, section C comprises of  11 questions of four marks 
each and section D comprises of 6 questions of six marks each. 
3. Use of calculators is not permitted. 
 
Section-A 
1. If ?
3x 7
10
24
 then find the value of x. 
 
OR 
 
If A is a 3 × 3 matrix |3A| = k|A|, then write the value of k. 
 
 
2. Determine the value of constant k, so that the function 
2
f(x) kx x 2
3 x 2
??
??
  
Is continuous at x=2 
 
3. Evaluate:  
2
3
x
dx
1x
?
?
 
 
4. Write the intercept cut off by the plane 2x + y – z = 5 on x-axis.  
 
 
Section-B 
5. Find A
-1
 using elementary transformations 
2 3 3
2 2 3
3 2 2
? ??
??
??
?? ?
??
 
 
6. Find the points on the curve x
2
 + y
2
 – 2x – 3= 0 at which the tangents are parallel to x-
axis. 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
Find the equation of tangents to the curve y = x
3
 + 2x – 4, which are perpendicular to 
line x + 14y + 3 = 0.  
 
7. Discuss the applicability of Lagrange’s mean value theorem for the function: 
     
 f(x) = sinx in the interval ,
22
?? ??
?
??
??
 
8. Give the intervals in which the function f(x) = 
4sin x 2x x cos x
2 cos x
??
?
 is increasing or 
decreasing. 
 
9. Find the angle between the line 
   
x 1 y z 3
2 3 6
??
?? and the plane 10x + 2y – 11z = 3 
 
10. A company has two plants to manufacturing scooters. Plant I manufactures 70% of the 
scooters and plant II manufactures 30%. At plant I, 30% of the scooters are rated of 
standard quality and at plant II, 90% of the scooters are rated of standard quality. A 
scooter is chosen at random and is found to be of standard quality. Find the probability 
that it is manufactured by plant II. 
OR 
A and B throw a pair of dice alternately, till one of them gets a total of 10 and wins the 
game. Find their respective probabilities of winning, if A starts first. 
 
 
11. A factory owner purchases two types of machines, A and B for his factory. The 
requirements and the limitations for the machines are as follows: 
 
 
Machine Area occupied Labour force Daily output (in units) 
A 1000 m
2
 12 men 60 
B 1200 m
2
 8 men 40 
    
       He has maximum area of 9000 m
2
 available, and 72 skilled labourers who can 
    operate both the machines. How many machines of each type should he buy to 
    maximise the daily output? 
  
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
12.  Find 
? ?
4
2
x dx
x 1)(x 1) ??
?
 
                OR 
Find : 
2
(x 3) 3 4x x dx.
?
? ? ? 
 
 
Section C 
 
13. Prove that 
?
??
? ? ? ? ?
? ? ? ? ?
??
??
? ? ?
??
1
1 cosx 1 cosx x 3
tan if x
4 2 2
1 cosx 1 cosx
  
 
14. Find the inverse of the matrix 
A =
1 1 0
6 3 2
5 1 4
??
??
??
??
??
, if it exists using elementary transformations.   
                OR 
 
Using the matrix method, solve the given system of equations : 
              
2 3 10 4 6 5 6 9 20
4; 1; 2
x y z x y z x y z
??
? ? ? ? ? ? ? ? ?
 
 
15. Find 
dy
dx
 if (x² + y²)
2
 = xy. 
OR 
 
       Differentiate the following function w.r.t. x: 
y = (sin)
x
 + sin
-1
x
 
 
16. Evaluate the integral: 
 
11
11
sin x cos x
dx
sin x cos x
??
??
?
?
?
 
 
17. 
 
Prove that, 
 
0
x
dx
1 sin x
?
?
??
?
 
                                                                           
 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
OR 
                         
 
                 Evaluate: ? ?
2
1
0
2sinxcosx tan sinx dx
?
?
?
.
 
  
18.  Show that the differential equation 2ye
x/y 
dx + (y - 2x e
x/y
) dy = 0 is homogeneous.  
Find the particular solution of this differential equation, given that x = 0 when y = 1. 
 
 
19. ? ? ? ? ? ? ? Given that b 2i 4j 5k and c i 2j 3k , such that the scalar product of 
?? a=i j k and unit vector along sum of the given two vectors b and c is unity. Find this 
unit vector. 
 
20. Find the vector equation of the plane passing through three points with position vectors 
i j 2k,2i j k and i 2j k. Also, find the coordinates of the point of intersection of 
this plane and the line r 3i j k 2i 2j k .
 
 
21. An insurance company insured 2000 scooter drivers, 4000 car drivers and 6000 truck 
drivers. The probability of an accident involving a scooter, a car and a truck are 0.01, 
0.03 and 0.15 respectively. One of the insured persons meets with an accident. What is 
the probability that he is a scooter driver?  
 
22. A random variable X has the following probability distribution: 
 
X 0 1 2 3 4 5 6 7 
P(X) 0 k 2k 2k 3k k
2
 2k
2 
7k
2
 +k 
 
 
        Determine: (i) k (ii) P(X < 3) (iii) P(X > 6) (iv) P(1 ?  X < 3) 
 
 
23. A nutritionist has to develop a special diet using two foods P and Q. Each packet 
(containing 30g) of food P contains 12 units of calcium, 4 units of iron, 6 units of 
cholesterol and 6 units of vitamin A. Each packet of the same quantity of food Q 
contains 3 units of calcium, 20 units of iron, 4 units of cholesterol and 3 units of vitamin 
A. The diet requires at least 240 units of calcium, atleast 460 units of iron and atmost 
300 units of cholesterol. How many packet of each food should be used to minimise the 
amount of vitamin A in the diet? What is the minimum amount of vitamin A? 
 
 
 
 
  
 
CBSE XII | Mathematics 
Sample Paper  
 
     
Section D 
 
24. The sum of three numbers is 6. If we multiply the third number by 2 and add the first 
number to the result we get 7. By adding the second and third numbers to three times 
the first number, we get 12. Find the numbers using matrices. 
 
25. Show that f :[ 1,1] R ?? , given by 
? ?
x
fx
x2
?
?
 is one-one. Find the inverse of the 
function ? ? f :[ 1,1] Range f ?? 
 
 
26. Show that a closed right circular cylinder of a given total surface area and maximum 
volume is such that its height is equal to the diameter of the base. 
 
OR 
 
Show that semi-vertical angle of a cone of maximum volume and given slant height is  
cos
-1 
1
3
??
??
??
  
  
 
27. A manufacturing company makes two models A and B of a product. Each piece of 
Model A requires 9 labour hours for fabricating and 1 labour hour for finishing. Each 
piece of Model B requires 12 labour hours for fabricating and 3 labour hours for 
finishing. For fabricating and finishing, the maximum labour hours available are 180 
and 30 respectively. The company makes a profit of Rs. 8000 on each piece of model A 
and Rs. 12000 on each piece of Model B. How many pieces of Model A and Model B 
should be manufactured per week to realise a maximum profit? What is the maximum 
profit per week? 
                                                                                  OR 
A retired person wants to invest an amount of Rs. 50, 000. His broker recommends 
investing in two type of bonds ‘A’ and ‘B’ yielding 10% and 9% return respectively on 
the invested amount. He decides to invest at least Rs. 20,000 in bond ‘A’ and at least Rs. 
10,000 in bond ‘B’. He also wants to invest at least as much in bond ‘A’ as in bond ‘B’. 
Solve this linear programming problem graphically to maximise his returns. 
 
 
 
 
 
 
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FAQs on Sample Question Paper 4 - Math, Class 12 - Mathematics (Maths) Class 12 - JEE

1. What is the importance of solving sample question papers in Math for Class 12?
Ans. Solving sample question papers in Math for Class 12 is important as it helps students to practice and understand the exam pattern, time management, and the types of questions that can be asked in the actual exam. It also helps in identifying weak areas and improving problem-solving skills.
2. How can solving sample question papers help in improving exam performance in Math for Class 12?
Ans. Solving sample question papers in Math for Class 12 helps in improving exam performance by providing a realistic exam experience. It helps students in understanding the format and structure of the exam, managing time effectively, and gaining confidence. Regular practice with sample question papers enhances problem-solving skills and helps in achieving better results.
3. Are the questions in sample question papers for Math Class 12 similar to the actual exam questions?
Ans. Yes, the questions in sample question papers for Math Class 12 are designed to be similar to the actual exam questions. These papers are prepared by experts who have a thorough understanding of the exam pattern and syllabus. While the exact questions may differ, the sample papers cover the entire syllabus and provide a good practice for the actual exam.
4. How should I use the sample question papers effectively for Math Class 12 preparation?
Ans. To use sample question papers effectively for Math Class 12 preparation, start by familiarizing yourself with the exam pattern and syllabus. Then, attempt the sample papers under timed conditions to simulate the exam environment. After solving the papers, analyze your performance, identify weak areas, and work on improving them. Use the sample papers as a tool for practice and revision.
5. Where can I find sample question papers for Math Class 12?
Ans. Sample question papers for Math Class 12 can be found in various sources such as educational websites, textbooks, and online learning platforms. Many educational boards and institutions also release official sample papers. Students can also approach their teachers or coaching institutes for additional sample papers and guidance on how to effectively use them for exam preparation.
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