Question

Sample paper of maths for class10 with its solutions
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Answer 1

eneral Instructions:

(i) All questions are compulsory.

(ii) The question paper consists of 30 questions divided into four sections A, B, C and D.

(iii)Section A contains 6 questions of 1 mark each. Section B contains 6 questions of 2 marks

each. Section C contains 10 questions of 3 marks each. Section D contains 8 questions of 4

marks each.

(iv) There is no overall choice. However, an internal choice has been provided in four

questions of 3 marks each and three questions of 4 marks each. You have to attempt only

one of the alternatives in all such questions.  

(v) Use of calculators is not permitted.

                                                                             Section A

Question1. Write whether the rational number 7/75 will have a terminating decimal expansion or a non-terminating repeating decimal expansion.

Question 2. Find the value(s) of k, if the quadratic equation 3x2 − k √3 x + 4 = 0, has equal roots.

Question 3. Find the eleventh term from the last term of the AP: 27, 23, 19, ..., –65.

Question 4. Find the coordinates of the point on y-axis which is nearest to the point (–2, 5).

Question 5. In given figure, ST ॥ RQ, PS = 3 cm and SR = 4 cm. Find the ratio of the area of ΔPST to the area of ΔPRQ.

                                                             

Question 6. If cos A = 2/5, find the value of 4 + 4 tan2 A.

CBSE Class 10 Board Exam 2017, Marking Scheme: All Subjects

                                                                                Section B

Question 7. If two positive integers p and q are written as p = a2b3 and q = a3b; a, b are primenumbers, then verify: LCM (p, q) × HCF (p, q) = pq

Question 8. The sum of first n terms of an AP is given by Sn = 2n2 + 3n. Find the sixteenth term ofthe AP.

Question 9.Find the value(s) of k for which the pair of linear equations kx + y = k2 and x + ky = 1have infinitely many solutions.  



Question 11. A box contains cards numbered 11 to 123.  ard is drawn at random from the box. Find the probability that the number on the drawn card is

(i) a quare number

(ii) a multiple of 7

Question 12. A box contains 12 balls of which some are red in colour. If 6 more red balls are put in the box and a ball is drawn at random, the probability of drawing a red ball doubles than what it was before. Find the number of red balls in the bag.

CBSE Class 10 Mathematics and Science Tips and Strategies

                                                                                Section C

Question 13. Show that exactly one of the numbers n, n + 2 or n + 4 is divisible by 3.



Question 15.Seven times a two digit number is equal to four times the number obtained by reversing the order of its digits. If he difference of the digits is 3, determine thenumber.

Question 16.In what ratio does the x-axis divide the line egment joining the points (–4, –6) and(–1, 7)? Find the co-ordinates of the point of division.

                                                                                        OR

The oints (4, –2), B(7, 2), C(0, 9) and D(–3, 5) form a parallelogram. Find the length of the altitude of the parallelogram on the base AB.  



Question 18. In given figure XY and X’Y’are two parallel tangents to a circle with centre O and another tangent AB with point of contact C intersecting XY at A and X’Y’ at B. Prove that ∠AOB = 90°.



CBSE Class 10 Mathematics Syllabus 2017-2018

Question 20. In given figure ABPC is a quadrant of a circle of radius 14 cm and a semicircle is drawn with BC as diameter. Find the area of the shaded region.

                                                                     

Question 21.Water in a canal, 6 m wide and 1.5 m deep, is flowing with a speed of 10 km/h. How much area will it irrigate in 30 minutes, if 8 cm of standing water is needed?

                                                                                               OR

A cone of maximum size is carved out from a cube of edge 14 cm. Find the surface area of the remaining solid after the cone is carved out.

Question 22. Find the mode of the following distribution of marks obtained by the students in an examination:   

 

Given the mean of the above distribution is 53, using empirical relationship estimate the value of its median. 

                                                                                            Section D

Question 23. A train travelling at a uniform speed for 360 km would have taken 48 minutes less to travel the same distance if its speed were 5 km/hour more. Find the original speed of the train.

                                                                                                 OR

Check whether the equation 5x2 – 6x – 2 = 0 has real roots and if it has, find them by the method of completing the square. Also verify that roots obtained satisfy the given equation. 

Question 24. An AP consists of 37 terms. The sum of the three middle most terms is 225 and the sum of the last three terms is 429. Find the AP.

Question 25. Show that in a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.


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