Class 10 · CBSE
Class 10 Mathematics questions
70 questions. Open one to try it and read its answer with a full explanation.
1. Real Numbers
Chapter page →2. Polynomials
Chapter page →3. Pair of Linear Equations in Two Variables
Chapter page →- The solution of x + y = 10 and x − y = 4 is
- A pair of linear equations with infinitely many solutions is shown on a graph by
- The sum of two numbers is 20 and their difference is 6. The larger number is
- The pair of equations x + 2y = 3 and 2x + 4y = 7 has
- For what value of k do 2x + 3y = 5 and 4x + ky = 10 have infinitely many solutions?
4. Quadratic Equations
Chapter page →5. Arithmetic Progressions
Chapter page →6. Triangles
Chapter page →7. Coordinate Geometry
Chapter page →8. Introduction to Trigonometry
Chapter page →9. Some Applications of Trigonometry
Chapter page →- The angle of depression of an object is measured between the line of sight and
- From a point 30 m from the foot of a tower, the angle of elevation of its top is 45°. The height of the tower is
- A 10 m ladder leans on a wall making 60° with the ground. The height it reaches on the wall is
- The shadow of a pole is as long as the pole. The sun's angle of elevation is
- From a point 20√3 m from the foot of a tower, the angle of elevation of the top is 30°. The height of the tower is
10. Circles
Chapter page →- A tangent to a circle meets the circle at
- The tangent at any point of a circle is ___ to the radius through the point of contact.
- How many tangents can be drawn to a circle from a point outside it?
- From an external point P, tangents PA and PB are drawn to a circle. If PA = 7 cm, then PB is
- A point is 13 cm from the centre of a circle of radius 5 cm. The length of the tangent from it is
12. Surface Areas and Volumes
Chapter page →- The volume of a cylinder of radius r and height h is
- The volume of a hemisphere of radius r is
- The curved surface area of a cone of radius r and slant height l is
- The total surface area of a solid hemisphere of radius r is
- A toy is a cone of radius 3 cm on a hemisphere of the same radius. Which formula gives its total surface area?
13. Statistics
Chapter page →14. Probability
Chapter page →- The probability of getting a head when a fair coin is tossed is
- The probability of an impossible event is
- A die is thrown once. The probability of getting an even number is
- For any event E, P(E) + P(not E) equals
- A bag has 3 red and 5 black balls. One ball is drawn at random. The probability that it is red is