Ganit Prakash Class 10 solutions for students’ exam preparation



Ganit Prakash for Class 10 covers a wide range of mathematical concepts and problems that students need to master for their exams. The book is designed to build a strong foundation in mathematics, with topics that cover algebra, geometry, trigonometry, and statistics. Each concept is explained in detail with examples and practice questions. The key to success in mathematics lies in understanding the concepts and solving enough problems for practice. The following sections provide important questions and answers from the subject, which will help you to grasp all the necessary topics effectively.

 

Here is the topic-related information in tabular format:

Topic Description
Polynomials Polynomials are algebraic expressions with variables, coefficients, and exponents.
Quadratic Equations A quadratic equation is in the form ax² + bx + c = 0, and can be solved using the quadratic formula.
Factorization The process of breaking down a polynomial into simpler factors that can be multiplied together to get the original polynomial.
Geometry Includes topics like area, perimeter, volume, and the Pythagorean theorem.
Coordinate Geometry Involves studying points, lines, distances, and midpoints on a coordinate plane.
Progressions Arithmetic Progression (AP) and Geometric Progression (GP) are sequences with a constant difference or ratio respectively.
Probability The likelihood of an event occurring, calculated as favorable outcomes over total outcomes.
Combinations and Permutations Used to calculate the number of ways to arrange or select items from a set, considering order or not.
Surface Area & Volume Includes formulas for calculating the surface area and volume of different shapes like cubes, spheres, and cones.
Trigonometry The study of the relationships between angles and sides of triangles, including sin, cos, and tan.

This table highlights key topics within the subject of Ganit Prakash for Class 10, summarizing their significance and how they are related to mathematical concepts taught in the curriculum.

Question:
What is a polynomial?

Answer:
A polynomial is an algebraic expression consisting of variables, coefficients, and exponents, combined using addition, subtraction, and multiplication. For example, 3x² + 2x - 5 is a polynomial.

Question:
What is the degree of the polynomial 4x³ + 3x² - 2x + 7?

Answer:
The degree of the polynomial 4x³ + 3x² - 2x + 7 is 3 because the highest power of the variable x is 3.

Question:
What is the factorization of x² - 5x + 6?

Answer:
The factorization of x² - 5x + 6 is (x - 2)(x - 3).

Question:
How do you solve the equation 2x - 3 = 5?

Answer:
To solve the equation 2x - 3 = 5, first add 3 to both sides to get 2x = 8, and then divide by 2 to get x = 4.

Question:
What is the quadratic formula?

Answer:
The quadratic formula is used to solve quadratic equations and is given by x = [-b ± √(b² - 4ac)] / 2a, where a, b, and c are coefficients in the equation ax² + bx + c = 0.

Question:
What are like terms in an expression?

Answer:
Like terms in an expression are terms that have the same variable raised to the same power. For example, 3x and 5x are like terms.

Question:
What is the difference between a monomial and a binomial?

Answer:
A monomial is an algebraic expression with only one term, like 3x, while a binomial has two terms, like 2x + 5.

Question:
What is the formula for the area of a circle?

Answer:
The formula for the area of a circle is A = πr², where r is the radius of the circle.

Question:
What is the Pythagorean theorem?

Answer:
The Pythagorean theorem states that in a right-angled triangle, the square of the length of the hypotenuse is equal to the sum of the squares of the lengths of the other two sides. It is written as a² + b² = c².

Question:
What is the perimeter of a rectangle?

Answer:
The perimeter of a rectangle is given by the formula P = 2(l + b), where l is the length and b is the breadth of the rectangle.

Question:
How do you find the volume of a cube?

Answer:
The volume of a cube is calculated using the formula V = a³, where a is the length of the edge of the cube.

Question:
What is the formula for the surface area of a sphere?

Answer:
The surface area of a sphere is given by the formula A = 4πr², where r is the radius of the sphere.

Question:
What is the distance formula in coordinate geometry?

Answer:
The distance formula is used to calculate the distance between two points (x₁, y₁) and (x₂, y₂) in a coordinate plane, and is given by √[(x₂ - x₁)² + (y₂ - y₁)²].

Question:
What is the midpoint formula in coordinate geometry?

Answer:
The midpoint formula is used to find the midpoint of a line segment with endpoints (x₁, y₁) and (x₂, y₂), and is given by [(x₁ + x₂)/2, (y₁ + y₂)/2].

Question:
What are the properties of parallel lines?

Answer:
Parallel lines are lines that never intersect and are always the same distance apart. They have the same slope in a coordinate plane.

Question:
What is an arithmetic progression (AP)?

Answer:
An arithmetic progression is a sequence of numbers in which the difference between consecutive terms is constant. For example, 3, 6, 9, 12 is an AP with a common difference of 3.

Question:
What is the sum of the first n terms of an arithmetic progression?

Answer:
The sum of the first n terms of an arithmetic progression is given by the formula Sₙ = n/2 [2a + (n - 1)d], where a is the first term and d is the common difference.

Question:
What is a geometric progression (GP)?

Answer:
A geometric progression is a sequence of numbers in which each term after the first is found by multiplying the previous term by a constant called the common ratio. For example, 2, 4, 8, 16 is a GP with a common ratio of 2.

Question:
What is the sum of the first n terms of a geometric progression?

Answer:
The sum of the first n terms of a geometric progression is given by the formula Sₙ = a(1 - rⁿ) / (1 - r), where a is the first term and r is the common ratio.

Question:
What is the probability of an event?

Answer:
The probability of an event is the measure of the likelihood of the event happening, and is calculated as the ratio of the favorable outcomes to the total number of possible outcomes.

Question:
What is the formula for the combination of n items taken r at a time?

Answer:
The formula for the combination of n items taken r at a time is C(n, r) = n! / [r!(n - r)!], where n! represents the factorial of n.

Question:
What is the difference between permutation and combination?

Answer:
A permutation is an arrangement of items in a specific order, while a combination is a selection of items without regard to the order.


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