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CBSE Class 10 Mathematics Previous Year Question Paper 2018 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 NotesClass 10 Textbook SolutionsClass 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 papersvideo 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.

So why wait when you can quickly get the CBSE class 10 plans.

Q 1. What is the value of (cos267° - sin23°)?

Q 2. In an AP. if the common difference (d) = -4, and the seventh term (a7) is 4, then find the first term. 

Q 3. Given that ∆ABC ∼ ∆PQR begin mathsize 12px style AB over PQ equals 1 third comma space then space find space fraction numerator ar left parenthesis ΔABC right parenthesis over denominator ar left parenthesis ΔPQR right parenthesis end fraction end style.

Q 4. What is the HCF of smallest prime number and the smallest composite number?

Q 5. Find the distance of point P(x, y) from the origin.

Q 6. If x = 3 is one root of the quadratic equation x- 2kx - 6 = 0, then find the value of k.

Q 7. Two different dice are tossed together. Find the probability:

  1. Of getting a doublet
  2. Of getting a sum 10, of the numbers on the two dice.

Q 8.  Find the radio in which P(4, m ) divides the line segment joining the points A(2,3) And B(6,-3). Hence find m. 

Q 9. An integer is chosen at random between 1 and 100. Find the probability that it is: 

  1. Divisible by 8
  2. Not divisible by 8

Q 10. In the given figure □ABCD is a rectangle. Find the values of x and y.

Q 11. Find the sum of first 8 multiples of 3.

Q 12. Given that begin mathsize 12px style square root of 2 end style is irrational, prove that begin mathsize 12px style left parenthesis 5 plus 3 square root of 2 right parenthesis end style is an irrational number. 

Q 13. If A (-2, 1), B (a, 0), C (4, b) and D (1, 2) are the vertices of a parallelogram ABCD, find the values of a and b. Hence find the lengths of its sides.


If A (-5, 7), B (-4, -5), C (-1, -6) and D (4, 5) are the vertices of a quadrilateral, find the area of quadrilateral ABCD.

Q 14. Find all zeros of the polynomial (2x- 9x+ 5x+ 3x - 1) if two of its zeros are begin mathsize 12px style left parenthesis 2 plus square root of 3 right parenthesis end style and begin mathsize 12px style left parenthesis 2 minus square root of 3 right parenthesis end style.

Q 15. Find HCF and LCM of 404 and 96 and verify HCF × LCM = Product of the two given numbers.

Q 16. Prove that the lengths of tangents drawn from an external point to circle are equal.

Q 17. Prove that the area of an equilateral triangle described on one side of the square is equal to half the area of the equilateral triangle described on one of its diagonal.


If the area of two similar triangle are equal, prove that they are congruent.

Q 18. A plane left 30 minute late than its scheduled time and in order to reach the destination 1500 km away in time it had to increase its speed by 100 km/h from the usual speed. Find its usual speed.

Q 19.  The table below shows the salaries of 280 persons:

Salary(In thousand)

No.of persons



















 Calculate the median salary of the data.

Q 20.  A wooden article was made by scooping out of hemisphere from each end of a solid cylinder, as shown in the given figure. If the height of the cylinder is 10cm and its base is of radius 3.5 cm. find the total surface area of the article.






A heap of rice is in the form of a cone of base diameter 24 m and height 3.5 m. Find the volume of the rice. How much canvas cloth is required to just cover the heap?


Q 21. Find the area of the shaded region in Fig.3, where areas drawn with centres  A,B,C and D intersect in pairs at mid-points P,Q, R and S of the sides AB, BC, CD and DA respectively of a square ABCD of side 12cm (Use 𝜋 =3.14)

Q 22. If 4 tan 𝛳=3, evaluate begin mathsize 12px style open parentheses fraction numerator 4 text   end text sin text   end text straight theta text   end text minus cos text   end text straight theta plus 1 over denominator 4 text   end text sin text   end text straight theta text   end text minus cos text   end text straight theta text   end text minus 1 end fraction close parentheses end style


If tan 2A = cot (A-18°), where 2A is an acute angle, find the value of A.

Q 23.  As observed from the top of a 100 m high light house from the sea-level, the angles of depression of two ships are 30° and 45°. If one ship is exactly behind the other on the same side of the light house, find the distance between the two ships. (Use begin mathsize 12px style square root of 3 end style=1.732)

Q 24. The diameters of the lower and upper ends of a bucket in the form of a frustum of a cone are 10 cm and 30 cm respectively. If its height is 24 cm, find: 

  1. The area of the metal sheet used to make the bucket.
  2. Why we should avoid the bucket made by ordinary plastic? (Use = 3.14)

Q 25.  Prove that: begin mathsize 12px style fraction numerator sin text   end text straight A minus 2 text   end text sin cubed straight A over denominator 2 cos cubed straight A minus cosA end fraction equals tanA end style


Q 26. The mean of the following distribution is 18. Find the frequency f of the class 19-21.




















The following distribution gives the daily income of 50 workers of a factory:

Daily income(In)






Number of workers






 Convert the distribution above to a less than type of cumulative frequency distribution and draw its ogive.

Q 27. A motor boat whose speed is 18km/hr in still water takes 1hr more to go 24 km upstream than to return downstream to the same spot. Find the speed of the stream.


A train travels at a certain average speed for a distance of 63 km and then travels at a distance of 72 km at an average speed of 6 km /hr more than its original speed. If it takes 3 hours to complete total journey, what is the original average speed?

Q 28. The sum of four consecutive numbers in an AP is 32 and the ratio of the product of the first and the last term to the product of two middle terms is 7:15. Find the numbers. 

Q 29. Draw a triangle ABC with BC = 6 cm AB = 5 cm and ∠ ABC = 60° Then construct a triangle whose sides are begin mathsize 12px style 3 over 4 end style of the corresponding sides of the ∆ABC.

Q 30.  In an equilateral ∆ABC, D is a point on side BC such that BD = begin mathsize 12px style 1 third BC end style . Prove that 9[AD]= 7[AB]2


Prove that, in a right triangle, the square on the hypotenuse is equal to the sum of the sequence on the other two side



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