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Preparing for the Maharashtra Board Class 12 Mathematics and Statistics exam demands a comprehensive understanding of the subjects and consistent practice. One of the most effective methods for achieving this is to solve previous years' question papers. This approach not only familiarizes students with the class 12 Maharashtra board exam. format and the types of questions that are commonly asked but also helps identify areas of strength and weakness.
In this article, we provide the question papers from the last three years for the Maharashtra Board Class 12 Mathematics and Statistics examinations, complete with detailed solutions. These solutions, crafted by subject experts at Careers360, guide students in managing their time efficiently, improving their accuracy, and building confidence in their problem-solving abilities. This resource serves as an invaluable tool for thorough exam preparation, enabling students to aim for top grades in their Mathematics and Statistics exams.
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Over recent years, the Maharashtra Board's Class 12 Mathematics exams have demonstrated a notable evolution in complexity and the depth of knowledge required:
Integration of Concepts: The examination pattern has increasingly favored questions that necessitate the application of several mathematical principles to solve a single question. This approach encourages students to think holistically and fosters a more integrated understanding of mathematics.
Increasing Difficulty in Problem Solving: There has been a noticeable rise in both the quantity and complexity of problems requiring higher-order mathematical skills. Particularly, questions involving Calculus and Algebra now demand more sophisticated analytical skills and a deeper understanding of underlying theories.
Focus on Application-Based Questions: Reflecting a global trend towards practical and applicable knowledge, the recent exam papers have included more questions that tie mathematical theories to real-world scenarios. This not only tests students' theoretical knowledge but also their ability to apply this knowledge effectively in practical situations.
Q1. Write the compound statement 'Nagpur is in Maharashtra and Chennai is in Tamilnadu' symbolically.
Solution:
To write the compound statement "Nagpur is in Maharashtra and Chennai is in Tamilnadu" symbolically, you can denote each individual statement with a propositional variable and use the logical conjunction symbol:
Let:
P represents "Nagpur is in Maharashtra"
Q represents "Chennai is in Tamilnadu" Then, the compound statement can be expressed as:
p ∧ q
This symbolically states that both
p (Nagpur is in Maharashtra) and
Q (Chennai is in Tamilnadu) is true.
Q2. Construct the truth table for the statement pattern:
[(P→q)∧q]→p
Solution :
The logical statement you're asking about is
(p→q)∧q)→p
To construct the truth table, we consider all possible truth values of ? and ?, and then evaluate the statement step-by-step:
p→q: This conditional is true unless p is true and q is false.
(p→q)∧q: This conjunction is true only when both p→q and q are true.
((p→q)∧q)→p: This final conditional is true unless (p→q)∧q is true and p is false.
Let's compute the truth table:
Q3. Find ?, if the sum of the slopes of the lines represented x2+kxy-3y2=0 is twice their product.
Solution:
Given that the sum of the slopes of the lines represented by the equation:
x2+kxy-3y2 is twice their product, we start by considering the general form of the homogeneous equation of a pair of straight lines:
ax2+2hxy+by2=0
For the given equation
x2+kxy−3y2=0
we can identify the coefficients:
a=1,2h=k,b=−3
Therefore,
b=k2
The slopes of the lines represented by the equation are given by the roots of the quadratic equation derived from:
at2+2bt+b=0
Substituting the values of
a, b and b gives:
t2+kt−3=0
Let the slopes of the lines be
m1 and m2
These slopes are the roots of the quadratic equation
t2+kt−3=0
According to Vieta's formulas, the sum and product of the roots of the quadratic equation
at2+bt+c=0
are given by:
m1 + m2=−ba
m1 m2=ca
For our specific equation:
m1 + m2= −k
m1 m2 = −3
We are given that the sum of the slopes is twice their product:
m1 + m2 = 2m1 m2
Substituting the values from Vieta's formulas:
−k=2(−3)
−k=−6
Solving for k:
k=6
Therefore, the value of k is: 6
Q4. Check whether the matrix
[cosθsinθ−sinθcosθ] is invertible or not.
Solution:
To determine if the matrix
A=[cossinθ−sinθcosθ]
is invertible, we need to check if its determinant is non-zero. The determinant of a 2×2 matrix [abcd] is given by :
det(A)=ad−bc
For the matrix A, we have:
a=cosθ,b=sinθ,c=−sinθ,d=cos?
Therefore, the determinant of A is:
det(A)=(cosθ)(cosθ)−(sinθ)(−sinθ)
det(?)=cos2θ+sin2θ
we know that:
cos2θ+sin2θ=1
So, the determinant is:
det(A)=1
Since the determinant of A is 1, which is non-zero, the matrix A is invertible.
Therefore, the given matrix is indeed invertible.
Q5. Find the vector equation of the line passing through the point having position vector 4^i−?^+2?^ and parallel to the vector −2i^−j^+k^
Solution:
To find the vector equation of a line passing through a given point and parallel to a given vector, we use the standard formula:
r→=r→0+td→
Where:- r→ is the position vector of any point on the line.- r→0 is the position vector of a known point through which the line passes (in this case 4i^−j^+2k^).- d→ is the direction vector parallel to the line (in this case −2i^−j^+k^).
- t is a scalar parameter. Given:
r→0=4i−j^+2k^
d→=−2i^−j^+k^
Substitute these into the line equation:
r→=(4i^−j^+2k^)+?(−2i^−j^+k^)
Expanding and simplifying gives:
r→=(4−2t)i^+(−1−t)j^+(2+t)k^
So, the vector equation of the line is:
r→=(4−2t)i^+(−1−t)j^+(2+t)k^
This equation represents the line passing through the point with the position vector
4i^−j^+2k^ and parallel to the vector −2i^−j^+k^.
Apart from these questions, you can download the complete last three-year question with solutions by clicking on the link below.
Download the Complete PDF - Maharashtra HSC Mathematics and Statistics Previous Year Question Paper with Solutions
In Maharashtra Class 12 Mathematics, certain topics consistently appear in the board exams due to their foundational importance to the curriculum. Identifying these consistent and repetitive concepts can significantly enhance study efficiency. Here are some key areas that are frequently tested:
By focusing their revision on these areas, students can prepare effectively for the Maharashtra Class 12 Mathematics exams, ensuring comprehensive coverage of the concepts most likely to be tested.
In conclusion, for students preparing for the Maharashtra Class 12 Mathematics exams, a strategic focus on consistently tested topics such as Calculus, Algebra, Vectors and Three-Dimensional Geometry, Probability and Statistics, and Trigonometry is essential.
These areas not only form the core of the syllabus but are also pivotal in developing a deep understanding and proficiency in mathematics that is critical for success in the exams. By concentrating revision efforts on these key concepts, students can enhance their problem-solving skills, improve their ability to apply mathematical principles to complex situations, and significantly increase their chances of achieving high scores.
Key topics include Calculus, Algebra, Vectors and Three-Dimensional Geometry, Probability and Statistics, and Trigonometry.
Regular practice, solving past exam papers, and understanding the application of concepts are crucial. Additionally, engaging in group study sessions.
Books by publishers such as Navneet or Target and guides like R.D. Sharma is highly recommended.
It varies depending on individual learning pace, but aiming for 2-3 hours of focused study.
Practice time management by solving sample papers within the allotted time.
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Yes, you can repeat Class 12th from the Maharashtra Board, even if you passed in 2022 and took an improvement exam. You need to re-enrol in a school affiliated with the Maharashtra Board , submit the necessary documents, and pay the required fees. The student may also contact the Maharashtra State Board of Secondary and Higher Secondary Education for specific guidelines and procedures for repeating Class 12.
If you want to repeat the MSBSHSE HSC exam in 2024 , you will have to contact the Maharashtra State Board about your missing MSBSHSE improvement result . You can visit their official website or reach out to your previous school for guidance. You can register as a private candidate to apply, however, it is advisable to get the latest information from the MSBSHSE board directly.
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