# CBSE Class 10 Mathematics Previous Year Question Paper 2017 All India Set-3

Does the sound of Class 10 Maths intrigue you? Or, does it scare you away? All of these happen because it's not easy to handle the Board pressure for CBSE Class 10. But, we will surely help you to tackle the syllabus for Class 10 Maths by providing you with the Class 10 Revision Notes, Class 10 Textbook Solutions, Class 10 Tests for all of the chapters available in CBSE Class 10 Maths. We know that scoring more marks in CBSE Class 10 Maths has never been this easy before. But, by referring to all of the study materials we provide at TopperLearning, you can easily score more marks in the Class 10 board examination.

The study materials are created by our subject experts that we offer for CBSE Class 10, very well know the syllabus and essential facts of CBSE Class 10. These study materials will help you understand all the CBSE Class 10 Maths concepts as we focus on providing solutions that simplify a subject's complex fundamentals. At TopperLearning, we believe in delivering quality solutions at a low cost, and we strictly follow the latest CBSE Class 10 syllabus. We make sure that these study materials are revised from time to time. Our TopperLearning packages involve all the study resources for CBSE Class 10, such as Solved question papers, video lessons and revision notes to help you score high marks. We also provide you with the updated NCERT textbook Solutions and RD Sharma textbook solutions, which provide students with step-by-step explanations.

Our study materials have also introduced the Case Study Based Questions for CBSE Class 10 of all the chapters available in Class 10. These questions are designed based on the latest syllabus of CBSE Class 10.

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**Q 1.** The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap?

**Q. 2** If a tower 30 m high, casts a shadow _{ } m long on the ground, then what is the angle of elevation of the sun?

**Q 3.** If the angle between two tangents drawn from an external point P to a circle of radius a and centre O, is 60°, then find the length of OP.

**Q 4.** What is the common difference of an A.P. in which a_{21} – a_{7} = 84?

**Q 5.** A circle touches all the four sides of a quadrilateral ABCD. Prove that AB + CD = BC + DA

**Q 6.** Prove that the tangents drawn at the end points of a chord of a circle make equal angles with the chord.

**Q 7.** A line intersects the y-axis and x-axis at the points P and Q respectively. If (2, -5) is the mid-point of PQ, then find the coordinates of P and Q.

**Q 8.** If the distances of P(x, y) from A (5, 1) and B (-1, 5) are equal, then prove that 3x = 2y.

**Q 9.** Find the value of p, for which one root of the quadratic equation px^{2} – 14x + 8 = 0 is 6 times the other.

**Q 10.** For what value of n, are the n^{th} terms of two A.Ps 63, 65, 67… and 3, 10, 17… equal?

**Q 11.** On a straight line passing through the foot of a tower, two points C and D are at distances of 4 m and 16 m from the foot respectively. If the angles of elevation from C and D of the top of the tower are complementary, then find the height of the tower.

**Q 12.** A bag contains 15 white and some black balls. If the probability of drawing a black ball from the bag is thrice that of drawing a white ball, find the number of black balls in the bag.

**Q 13** Three semicircles each of diameter 3 cm, a circle of diameter 4.5 cm and a semicircle of radius 4.5 cm are drawn in the given figure. Find the area of the shaded region.

**Q 14.** In what ratio does the point _{ }divides the line segment joining the points P (2, -2) and Q (3, 7)? Also find the value of y.

**Q 15. **Water in a canal, 5.4 m wide and 1.8 m deep, is flowing with a speed of 25 km/hour. How much area can it irrigate in 40 minutes, if 10 cm of standing water is required for irrigation?

**Q 16. **In the given figure, two concentric circles with centre O have radii 21 cm and 42 cm. If ∠AOB = 60°, find the area of the shaded region.

**Q 17.** The dimensions of a solid iron cuboid are 4.4 m ⨯ 2.6 m ⨯ 1.0 m. It is melted and recast into a hollow cylindrical pipe of 30 cm inner radius and thickness 5 cm. Find the length of the pipe.

**Q 18.** A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of same radius on its circular face. The total height of the toy is 15.5 cm. Find the total surface area of the toy.

**Q 19.** How many terms of an A.P. 9, 17, 25… must be taken to give a sum of 636?

**Q 20.** If the roots of the equation (a^{2} + b^{2}) x^{2} – 2(ac + bd) x + (c^{2} + d^{2}) = 0 are equal, prove that .

**Q 21. **If the points A (k + 1, 2k), B (3k, 2k + 3) and C (5k – 1, 5k) are collinear, then find the value of k.

**Q 22.** Construct a triangle ABC with side BC = 7 cm, ∠B = 45°, ∠A = 105°. Then construct another triangle whose sides are times the corresponding sides of the ∆ ABC.

**Q 23. **Two different dice are thrown together. Find the probability that the numbers obtained have

(i) even sum, and

(ii) even product

**Q 24. **In the given figure, XY and X’Y’ are two parallel tangents to a circle with centre O and another tangents AB with point of contact C, is intersecting XY at A and X’Y’ at B. Prove that ∠AOB = 90°.

**Q 25. **In a rain–water harvesting system, the rain-water from a roof of 22 m ⨯ 20 m drains into a cylindrical tank having diameter of base 2 m and height 3.5 m. If the tank is full, find the rainfall in cm. Write your views on water conservation.

**Q 26.** Prove that the lengths of two tangents drawn from an external point to a circle are equal.

**Q 27.** If the ratio of the sum of the first n terms of two A.Ps is (7n + 1): (4n + 27), then find the ratio of their 9^{th} terms.

**Q 28.** Solve for x:

**Q 29.** A takes 6 days less than B to do a work. If both A and B working together can do it in 4 days, how many days will B take to finish it?

**Q 30.** From the top of a tower, 100 m high, a man observe two cars on the opposite sides of the tower and in same straight line with its base, with its base, with angles of depression 30° and 45°. Find the distance between the cars.

**Q 31.** In the given figure, O is centre of the circle with AC = 24 cm, AB = 7 cm and ∠BOD = 90°. Find the area of the shaded region.

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