UncategorizedCBSE Sample Papers for Class 12 Maths 2018 Set 2

CBSE Sample Papers for Class 12 Maths 2018 Set 2

To do well in Math, it’s important to practice various Math problems. One helpful resource for this is the previous year’s Class 12 question papers. By solving these papers, students can thoroughly prepare for their exams. Here, we have the CBSE Class 12 Maths Previous Year Question Paper 2018 available in PDF format. Using these papers can enhance students’ exam readiness and boost their confidence during the board exams.

By practicing previous CBSE class 12 Maths question papers, students can understand how the exam works, what kinds of questions are asked, and how hard they are. This helps them see where they need to improve their study habits. Working through these papers is also a good way to review what they’ve learned. It helps them see which topics are most important for the exam.

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    To find the answers to these papers, check out the solutions for CBSE Class 12 Maths Question Paper from 2018. Keep studying and watch for more updates on the CBSE Exam.

    SECTION-A

    Question numbers lto6 carry 1 mark each.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-1

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-2

    3.If P(2, 3, 4) is the foot the of perpendicular from the origin to a plane, then write the vector equation of this plane.

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-3

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-4

    6.Write the differential equation representing the curve y2 = 4ax, where a is an arbitrary constant.

    SECTION – B

    Question numbers 7 to 19 carry 4 marks each.
    7.To raise money for an orphanage, students of three schools A, B and C organized an exhibition in their locality, where they sold paper bags, scrap-books and pastel sheets made by them using recycled paper, at the rate of Rs 20, Rs 15 and Rs 5 per unit respectively. School A sold 25 paper-bags, 12 scrap-books and 34 pastel sheets. School B sold 22 paper-bags, 15 scrapbooks and 28 pastel-sheets while school C sold 26 paper-bags, 18 scrap-books and 36 pastel sheets. Using matrices, find the total amount raised by each school.By such exhibition, which values are inculcated in the students ?

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-5

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-6

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-7

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-8

    12.Consider the experiment of tossing a coin. If the coin shows tail, toss it again but if it shows head, then throw a die. Find the conditional probability of the event that ‘the die shows a number greater than 3’ given that ‘there is at least one head’.
    Or
    How many times must a man toss a fair coin so that the probability of having at least one head is more than 90% ?

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-9

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-10

     

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-11

    16.If x = sin t, y = sin kt, show that,
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-12

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-13

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-14

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-15

    SECTION – C

    Question numbers 20 to 26 carry 6 marks each.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-16

    21.Compute, using integration, the area bounded by the lines x + 2y = 2, y – x = 1 and 2x + y = 7

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-17

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-18

    24.40% students of a college reside in hostel and the remaining reside outside. At the end of year, 50% of the hostellers got A grade while from outside students, only 30% got A grade in the examination. At the end of the year, a student of the college was chosen at random and was found to get A grade. What is the probability that the selected student was a hosteller ? What value is shown here ?

    25.A merchant plans to sell two types of personal computer : a desktop model and a portable model that will cost Rs 25,000 and Rs 40,000 respectively. He estimates that the total monthly demand of computers will not exceed 250 units. Determine the number of units of each type of computers which the merchant should stock to get a maximum profit, if the does not want to invest more than 70 lakh and if his profit on the desktop model is Rs 4,500 and that on portable is Rs 5,000.

    26.A jet of enemy is flying along the curve y = x2 + 2 and a soldier is placed at the point (3, 2). Find the minimum distance between the soldier and the jet.

    ANSWERS

    SECTION-A

    Question numbers lto6 carry 1 mark each.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-1
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-1

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-2
    Ans. 5 sq.units

    3.If P(2, 3, 4) is the foot the of perpendicular from the origin to a plane, then write the vector equation of this plane.
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-3

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-3
    Ans.-14

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-4
    Ans.m+n=4

    6.Write the differential equation representing the curve y2 = 4ax, where a is an arbitrary constant.
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-4

    SECTION – B

    Question numbers 7 to 19 carry 4 marks each.
    7.To raise money for an orphanage, students of three schools A, B and C organized an exhibition in their locality, where they sold paper bags, scrap-books and pastel sheets made by them using recycled paper, at the rate of Rs 20, Rs 15 and Rs 5 per unit respectively. School A sold 25 paper-bags, 12 scrap-books and 34 pastel sheets. School B sold 22 paper-bags, 15 scrapbooks and 28 pastel-sheets while school C sold 26 paper-bags, 18 scrap-books and 36 pastel sheets. Using matrices, find the total amount raised by each school.By such exhibition, which values are inculcated in the students ?
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-5
    Values:i) Helping the Orphans ii)Use of recycled paper

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-5
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-6
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-7

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-6
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-8

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-7
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-9

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-8
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-10
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-11

    12.Consider the experiment of tossing a coin. If the coin shows tail, toss it again but if it shows head, then throw a die. Find the conditional probability of the event that ‘the die shows a number greater than 3’ given that ‘there is at least one head’.
    Or
    How many times must a man toss a fair coin so that the probability of having at least one head is more than 90% ?

    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-12

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-9
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-13

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-10
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-14
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-15

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-11
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-16
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-17

    16.If x = sin t, y = sin kt, show that,
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-12
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-18

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-13
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-19

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-14
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-20

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-15
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-21

    SECTION – C

    Question numbers 20 to 26 carry 6 marks each.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-16
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-22
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-23

    21.Compute, using integration, the area bounded by the lines x + 2y = 2, y – x = 1 and 2x + y = 7
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-24
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-25

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-17
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-26
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-27
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-28

    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-18
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-29

    24.40% students of a college reside in hostel and the remaining reside outside. At the end of year, 50% of the hostellers got A grade while from outside students, only 30% got A grade in the examination. At the end of the year, a student of the college was chosen at random and was found to get A grade. What is the probability that the selected student was a hosteller ? What value is shown here ?
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-30

    25.A merchant plans to sell two types of personal computer : a desktop model and a portable model that will cost Rs 25,000 and Rs 40,000 respectively. He estimates that the total monthly demand of computers will not exceed 250 units. Determine the number of units of each type of computers which the merchant should stock to get a maximum profit, if the does not want to invest more than 70 lakh and if his profit on the desktop model is Rs 4,500 and that on portable is Rs 5,000.
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-31
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-32

    26.A jet of enemy is flying along the curve y = x2 + 2 and a soldier is placed at the point (3, 2). Find the minimum distance between the soldier and the jet.
    Ans.
    CBSE Sample Papers for Class 12 Maths Solved 2016 Set 2-33

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