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Questions and Answers
The quadratic equation $2x^2 - 5x + 3 = 0$ is given. What are its solutions?
The quadratic equation $2x^2 - 5x + 3 = 0$ is given. What are its solutions?
- x = -1, x = -3/2
- x = -1, x = 3/2
- x = 1, x = 3/2 (correct)
- x = 1, x = -3/2
Given that the point (3, k) lies on the line $2x - 3y = 5$, what is the value of k?
Given that the point (3, k) lies on the line $2x - 3y = 5$, what is the value of k?
- -3
- -1/3
- 1/3 (correct)
- 3
In a geometric progression, the first term is 5 and the common ratio is 2. What is the 5th term?
In a geometric progression, the first term is 5 and the common ratio is 2. What is the 5th term?
- 40
- 80 (correct)
- 320
- 160
A sum of ₹5000 is invested at a compound interest rate of 10% per annum. What is the amount after 2 years?
A sum of ₹5000 is invested at a compound interest rate of 10% per annum. What is the amount after 2 years?
Given $\sin \theta = \frac{3}{5}$, and knowing that $\theta$ is in the first quadrant, what is the value of $\cos \theta$?
Given $\sin \theta = \frac{3}{5}$, and knowing that $\theta$ is in the first quadrant, what is the value of $\cos \theta$?
Solve for x: $\log(x - 1) + \log(x + 1) = \log 6$.
Solve for x: $\log(x - 1) + \log(x + 1) = \log 6$.
What is the equation of the line passing through the points (2, 3) and (4, 7)?
What is the equation of the line passing through the points (2, 3) and (4, 7)?
In triangle ABC, if angle A = 45°, angle B = 60°, and side a = 10 cm, what is the length of side b (to the nearest tenth)?
In triangle ABC, if angle A = 45°, angle B = 60°, and side a = 10 cm, what is the length of side b (to the nearest tenth)?
A bag contains 3 red, 5 blue, and 2 green balls. If one ball is drawn at random, what is the probability that it is either red or green?
A bag contains 3 red, 5 blue, and 2 green balls. If one ball is drawn at random, what is the probability that it is either red or green?
A cylindrical tank has a radius of 2 meters and a height of 5 meters. Calculate its volume.
A cylindrical tank has a radius of 2 meters and a height of 5 meters. Calculate its volume.
Flashcards
Solving Quadratic Equation
Solving Quadratic Equation
Solution to 2x² - 5x + 3 = 0 are the values of x that satisfy the equation.
Mean Calculation
Mean Calculation
The mean of a data set is the sum of all values divided by the number of values.
Geometric Progression nth Term
Geometric Progression nth Term
The nth term of a geometric progression is given by a*r^(n-1), where a is the first term and r is the common ratio.
Compound Interest
Compound Interest
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Logarithm Sum Rule
Logarithm Sum Rule
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Midpoint Formula
Midpoint Formula
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Cylinder Volume
Cylinder Volume
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Standard Deviation
Standard Deviation
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Parallelogram Properties
Parallelogram Properties
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Binomial Theorem
Binomial Theorem
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Study Notes
- The question paper is for ICSE Class 10 Mathematics.
- The paper is predicted question paper 2.
- The time allowed is 2½ hours.
- The maximum marks is 80.
- All working, including rough work, must be clearly shown on the answer sheet.
- The intended marks for questions are given in brackets.
- Logarithm tables or calculators should be used for calculations, as appropriate.
- Section A is compulsory and contains 40 marks.
- Section B contains 40 marks, and any four questions must be attempted.
Section A, Question 1
- Solve the quadratic equation: 2x² - 5x + 3 = 0.
- Find the value of k if the point (3, k) lies on the line 2x - 3y = 5.
- Calculate the mean of the data set: 12, 15, 20, 25, 30.
Section A, Question 2
- In a geometric progression, the first term is 5, and the common ratio is 2. Find the 5th term.
- A sum of ₹5000 is invested at a compound interest rate of 10% per annum. Calculate the amount after 2 years.
- Prove that the diagonals of a rhombus bisect each other at right angles.
Section A, Question 3
- If sin θ = 3/5, find the values of cos θ and tan θ.
- Solve for x: log(x - 1) + log(x + 1) = log 6.
- Calculate the area of a sector with a radius of 7 cm and a central angle of 60°.
Section A, Question 4
- Find the equation of the line passing through the points (2, 3) and (4, 7).
- Evaluate: ∫(2x + 3) dx.
- In a triangle ABC, if angle A = 45°, angle B = 60°, and side a = 10 cm, find the length of side b.
Section B, Question 5
- A bag contains 3 red, 5 blue, and 2 green balls. If one ball is drawn at random, the probability that it is either red or green needs to be determined.
- Prove that the opposite angles of a cyclic quadrilateral are supplementary using the properties of circles.
- Solve the system of equations using the substitution method: 2x + 3y = 12 and x - y = 3.
Section B, Question 6
- Find the sum of the first 15 terms of an arithmetic progression where the first term is 7 and the common difference is 3.
- If the coordinates of the midpoint of the line segment joining (2, -3) and (x, 5) are (4, 1), find the value of x.
- A cylindrical tank has a radius of 2 meters and a height of 5 meters. Calculate its volume.
Section B, Question 7
- Simplify: (x² - 9)/(x² - 6x + 9).
- If the sum of the roots of the quadratic equation ax² + bx + c = 0 is equal to the product of the roots, show that b² = 4ac.
- In a right-angled triangle, if the length of the hypotenuse is 13 cm and one of the legs is 5 cm, find the length of the other leg.
Section B, Question 8
- Find the value of k for which the lines 3x + 4y = 7 and 6x + 8y = k are parallel.
- Calculate the standard deviation of the data set: 4, 8, 6, 5, 3.
- Prove that the sum of the angles in a triangle is 180°.
Section B, Question 9
- If the function f(x) = 2x² - 3x + 5, find f(2).
- Solve the inequality: 2x - 5 > 3x + 1.
- In a parallelogram, prove that opposite sides are equal.
Section B, Question 10
- A cone has a base radius of 3 cm and a height of 4 cm. Calculate its slant height.
- If the arithmetic mean of two numbers is 8 and their geometric mean is 6, find the numbers.
- Using the binomial theorem, expand (1 + x)⁵.
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