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Here are some CBSE Class 10th maths important questions you can solve to test your knowledge. At the end of the article, I am giving the important links where you can find the links to class 10 maths and science notes and a few more assignments along with the downloads. I am also adding a download link to this assignment for your convenience.
Class 10 Maths Board Questions
1) Prove that one of every three consecutive integers is divisible by 3.
2) Find the Quadratic polynomial whose sum and product of zeros are √2 and 3
3) Find the sum of a+b, a-b, a-3b, …… to 22 terms.
4) For what value of a is the point (-2, a) on the line with equation -3x + 3y = 4?
5) Prove that sec2A+cosec2A can never be less than 2
6) A boy standing on a horizontal plane finds a bird flying at a distance of 100m from him at an elevation of 300. A girl standing on the roof of 20 meter high building finds the angle of elevation of the same bird to be 450. Both the boy and the girl are on opposite sides of the bird. Find the distance of the bird from the girl.
7) Determine the ratio in which the line 2x + y -4 = 0 divide the line segment joining the points A (2,-2) and B (3, 7).Also find the coordinates of the point of division.
8) Find the relation between x and y when the point (x,y) lies on the straight line joining the points (2,-3) and (1,4)
9) The base EF of an equilateral triangle DEF lies on the y-axis. The coordinates of F are (0,-3). If the origin is the midpoint of EF find the coordinates of points D and E.
10) A circle touches the sides of a quadrilateral ABCD at P, Q, R and S respectively. Show that the angles subtended at the centre by a pair of opposite sides are supplementary.
11) The radius of the in circle of a triangle is 4cm and the segments into which one side is divided by the point of contact are 6cm and 8cm. Determine the other two sides of the triangle.
12)Find the circumference of a circle whose area is 16 times the area of the circle with diameter 7cm
13) The area enclosed between two concentric circles is 770 cm<sup2</sup>. If the radius of the outer circle is 21cm, find the radius of the inner circle
14) An ice-cream cone has a hemispherical top. If the height of the cone is 10 cm and base radius is 2.5 cm, find the volume of ice cream cone.
15) For what value of i, are the numbers x, 2x + i and 3x + 6 three consecutive terms of an A.P
16) The length of the minute hand of a wall clock is 7 cm. How much area does it sweep in 20 minutes?
17) A box has cards numbered 14 to 99. Cards are mixed thoroughly and a card is drawn from the bag at random. Find the probability that the number on the card, drawn from the box is
(i) an odd number,
(ii) a perfect square number,
(iii) a number divisible by 7.
18) Two years ago the man’s age was three times the square of his son’s age. Three years hence his age will be four times his son’s age. Find their present ages.
19) Prove that the ratio of the areas of two similar triangles is equal to the ratio of the squares of their corresponding sides.
20) Find the sum of all the natural numbers less than 100 which are divisible by 6.
21) In a right triangle ABC, tan(A) = 3/4. Find sin(A) and cos(A).
22) If the shadow of a building increases by 10 meters when the angle of elevation of the sun rays decreases from 70o to 60o, what is the height of the building?
23) The area of a rectangular field is equal to 300 square meters. Its perimeter is equal to 70 meters. Find the length and width of this rectangle
24) For what value of b will the system given below have no solutions?
2x + 6y = -2
-3x + by = 4
25)Find the middle term of the AP 1, 8, 15….505.
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You might also like these important class 10 links where you can find more notes and assignments on class 10 science and maths