QUESTION PAPER
2024 BOARD EXAM
CBSE CLASS 12-PCM MATHEMATICS Board Paper 2024 — Set 2
2024
MATHEMATICS
CLASS 12-PCM
CBSE EXAMINATION PAPER-2024
MATHEMATICS
(Solved)
General Instructions :
Read the following instructions carefully and follow them :
- This question paper contains 44 questions. All questions are compulsory.
- This question paper is divided into 5 sections.
- Section A – questions number 1 to 3 are case based questions
- Section B – questions number 4 to 23 are multiple choice questions
- Section C – questions number 24 to 30 are very short answer
- Section D – questions number 31 to 38 are short answer
- Section E – questions number 39 to 44 are long answer
- There is no overall choice given in the question paper. However, an internal choice has been provided in few questions.
- Use of calculator is NOT allowed.
Section A
A ball is thrown in the air so that t seconds after it is thrown, its height h metre above its starting point is given by the polynomial h = 25t – 5t². Observe the graph of the polynomial and answer the following questions:
Observe the graph of the polynomial and answer the following questions :
(1) Find the two different values of t when the height of the ball was 20 m.
[2 Marks](2) Find the maximum height achieved by ball.
[1 Marks](3) Write zeroes of the given polynomial.
[1 Marks](4) After throwing upward, how much time did the ball take to reach the height of 30 m?
[2 Marks]The word ‘circus’ has the same root as ‘circle’. In a closed circular area, various entertainment acts including human skill and animal training are presented before the crowd.
A circus tent is cylindrical up to a height of 8 m and conical above it. The diameter of the base is 28 m and total height of tent is 18.5 m.
Based on the above, answer the following questions:
(1) Find slant height of the conical part.
[1 Marks](2) Determine the floor area of the tent.
[1 Marks](3) Find area of the cloth used for making tent.
[2 Marks](4) Find total volume of air inside an empty tent.
[2 Marks]In a survey on holidays, 120 people were asked to state which type of transport they used on their last holiday. The following pie chart shows the results of the survey.
Observe the pie chart and answer the following questions :
(1) If one person is selected at random, find the probability that he/she travelled by bus or ship.
[1 Marks](2) Which is most favourite mode of transport and how many people used it?
[1 Marks](3) The probability that randomly selected person used aeroplane is 7/60. Find the revenue collected by air company at the rate of ₹ 5,000 per person.
[2 Marks](4) A person is selected at random. If the probability that he did not use train is 4/5, find the number of people who used train.
[2 Marks]Section B
The value of k for which the system of equations 3x – y + 8 = 0 and 6x – ky + 16 = 0 has infinitely many solutions, is
Point P divides the line segment joining points A(4, –5) and B(1, 2) in the ratio 5:2. Coordinates of point P are
The common difference of an A.P. in which a₁₅ – a₁₁= 48, is
The quadratic equation x² + x + 1 = 0 has _____ roots.
If HCF(2520, 6600) = 40 and LCM(2520, 6600) = 252 × k, then the value of k is
In the given figure, ΔABC is shown. DE is parallel to BC. If AD = 5 cm, DB = 2.5 cm and BC = 12 cm, then DE is equal to
If sin θ = cos θ, (0° < θ < 90°), then value of (sec θ . sin θ) is:
Two dice are rolled together. The probability of getting the sum of the two numbers to be more than 10, is
If α and β are zeroes of the polynomial 5x² + 3x – 7, the value of 1/α + 1/ β is
The perimeters of two similar triangles ABC and PQR are 56 cm and 48 cm respectively. PQ/AB is equal to
AB and CD are two chords of a circle intersecting at P. Choose the correct statement from the following :
If each observation in a data is increased by 2, then the median of the new data
A box contains cards numbered 6 to 55. A card is drawn at random from the box. The probability that the drawn card has a number which is a perfect square, is
In the given figure, tangents PA and PB to the circle centered at O, from point P are perpendicular to each other. If PA = 5 cm, then length of AB is equal to
XOYZ is a rectangle with vertices X(–3, 0), O(0, 0), Y(0, 4) and Z(x, y). The length of each diagonal is
Which term of the A.P. –29, –26, –23, ..., 61 is 16?
In the given figure, AT is tangent to a circle centered at O. If ∠CAT = 40°, then ∠CBA is
After an examination, a teacher wants to know the marks obtained by the maximum number of students in her class. She requires to calculate _____ of marks.
Assertion (A): Two cubes each of edge length 10 cm are joined together. The total surface area of newly formed cuboid is 1200 cm². Reason (R) : Area of each surface of a cube of side 10 cm is 100 cm².
Section C
Can the number (15)ⁿ, n being a natural number, end with the digit 0? Give reasons.
If 2 sin(A + B) = 3 and cos(A – B) = 1, then find the measures of angles A and B. (0 ≤ A, B, A+B) ≤ 90°).
Section D
Prove that √5 is an irrational number.
Prove that 1 + sec θ – tan θ / 1 + sec θ + tan θ = 1 – sin θ / cos θ
In a test, the marks obtained by 100 students (out of 50) are given below:
Find the mean marks of the students.
Section E
Sides AB and AC and median AD to Δ ABC are respectively proportional to sides PQ and PR and median PM of another triangle PQR. Show that ΔABC ~ ΔPQR.
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