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CBSE Class X Sample Question Paper : MATHEMATICS

6 pages, 40 questions, 4 questions with responses, 5 total responses,

CBSE 10
Kendriya Vidyalaya (KV), Kamla Nehru Nagar, Ghaziabad

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SYLLABUS MATHEMATICS ANNEXURE 'E' SUMMATIVE ASSESSMENT-II (2013-14) Class-X THE QUESTION PAPER WILL INCLUDE VALUE BASED QUESTION(S) TO THE EXTENT OF 3-5 MARKS. Unfiled Notes Page 9 Unfiled Notes Page 10 Design of Question Paper Mathematics (041) Summative Assessment-II (2013-2014) Class X Type of Question Marks per question Total no. of Questions 1 2 3 4 M.C.Q SA-I SA-II LA-I TOTAL 8 6 10 10 34 Total Marks 8 12 30 40 90 The Question Paper will include value based question(s) to the extent of 3-5 marks Weightage S.No. Unit No. Topic Weightage 1 II Algebra 23 2 III Geometry 17 3 IV Trigonometry 08 4 V Probability 08 5 VI Coordinate Geometry 11 6 VII Mensuration 23 Total 90 SAMPLE QUESTIONS MATHEMATICS SA II (March-2014) CLASS-X Multiple Choice type (1 mark) questions 1. f}?kkr lehdj.k (A) dsoy 0 2x2-kx+k = 0, ds ewy leku gSaA k dk eku gS% (B) 4 (C) dsoy 8 (D) 0, 8 2 Values of k for which the quadratic equation 2x -kx+k = 0 has equal roots is: (A) 0 only (B) 4 (C) 8 only (D) 0, 8 2. ,d 5lseh- dh f=T;k okys o`r ds fcUnq P ij ,d Li kZ js[kk [khaph xbZ tks fd dsUnz ls [khaph xbZ js[kk dks Q ij izfrPNsfnr djrh gSA OQ = 12cm rks PQ dh yEckbZ gS% (A) 12cm (B) 13cm (C) 8.5cm (D) cm A tangent PQ at a point of P of a circle of radius 5cm meets a line through the center O at a point Q, such that OQ = 12cm. Length of PQ is: (A) 12cm (B) 13cm (C) 8.5cm (D) cm 3. 1 ls 52 rd la[;k ds dkMksZa esa ls ,d dkMZ ;kn`PN;k fy;k x;kA dkMZa ij ,d iw.kZ oxZ la[;k ds vkus dh izkf;drk gS% (A) (B) (C) (D) A card is drawn from a deck of cards numbered 1 to 52. The probability that the number on the card is a perfect square is: (A) 4. (B) P(2, 3) dh x- v{k ls nwjh gS% (A) 2bdkbZ (B) 3bdkbZ (C) (D) fcUnq (D) 5bdkbZ (D) 5units (A) 36 cm2 (B) 18 cm2 (C) 12 cm2 (D) The area of the circle that can be inscribed in a square of side 6cm is: (A) 36 cm2 (B) 18 cm2 (C) 12 cm2 (D) 9 cm2 (C) 1bdkbZ The distance of the point P(2, 3) from the x-axis is: (A) 2units (B) 3units (C) 1unit 5. 6cm Hkqtk ds oxZ ds vUr% o`r dk {ks=Qy gS% Short Answer-I type (2 mark) questions 1 f}?kkr lehdj.k 2 k 3x2 - 4 x+4 = 0 ds ewy a dh izd`fr Kkr Find the nature of the roots of the quadratic equation: 3x2 - 4 x+4 = 0 ds fdl eku ds fy, 2k, k+10 rFkk 3k+2 lekUrj dhft,A Js.kh esa gS\ 9 cm2 For what value of k are 2k, k+10 and 3k+2 in AP? 3 fl) dhft, fd o`r ds O;kl ds Nksj fcUnqvksa ij [khapha xbZ Li kZ js[kk,a lekUrj gksrh gSaA Prove that tangents drawn at the ends of a diameter of a circle are parallel. 4 fl) dhft, fd ,d o`r ds ifjXkr lekUrj prqHkqZt leprqHkqZt gSA Prove that the parallelogram circumscribing a circle is a rhombus. 5 132 vPNs isuksa ds lkFk 12 [kjkc isu fey x, A ,d isu ;kn`PN;k ls fudkyk x;kA izkf;drk Kkr dhft, fd fudkyk x;k isu vPNk isu gSA 12 defective pens are accidently mixed with 132 good ones. It is not possible to just look at a pen and tell whether or not it is defective. One pen is taken out at random from this lot. Determine the probability that the pen taken out is a good one. Short Answer-II type (3 mark) questions 1 fuEu f}?kkrh lehdj.k ds ewy xq.ku[k.M fof/k ls Kkr dhft,: x2 - 7x+5 = 0 Find the roots of the following quadratic equation by factorization: x2 - 7x+5 = 0 2 ,d lekUrj Js.kh esa izFke in 5] lkoZ vUrj 3 rFkk noka in 50 gSA bl lekUrj Js.kh esa rFkk izFke n inksa dk ;ksx Kkr dhft,A n dk eku In an A.P., first term is 5, common difference is 3 and nth term is 50. Find the value of n and sum of its first n terms. 3 ,d Bsdsnkj us ikdZ esa cPpksa ds fy, nks fQlyus okyh fQly i h yxkuh gSA 5o kZ ls de vk;q ds cPpksa ds fy, fQlyu i h ds fljs dh pkbZ 1-5ehVj rFkk bldk xzkm.M ds lkFk >qdko 300 dk gSA cM+s cPpksa ds fy, fQlyu i h pkbZ 3ehVj rFkk xzkm.M ds lkFk >qdko 600 dk gSA izR;sd voLFkk esa fQlyu i h dh yEckbZ Kkr dhft,A A contractor plans to install two slides for the children to play in a park. For the children below the age of 5years, she prefers to have a slide whose top is at a height of 1.5m, and is inclined at an angle of 300 to the ground, whereas for elder children, she wants to have a steep slide at a height of 3m and inclined at an angle of 600 to the ground. What should be the length of the slide in each case? 4 12 cm f=T;k okys o`r esa ,d thok dsUnz ij 1200 dk dks.k cukrh gSA bl o`r[k.M dk {ks=Qy Kkr dhft,A = 3.14 rFkk = 1.73 dk iz;ksx dhft, A chord of a circle of radius 12cm subtends an angle of 1200 at the centre. Find the area of the segment of the circle. (Use = 3.14 and = 1.73) 5 ,d ldZl dk rEcw 3m- dh pkbZ rd csyukdkj rFkk mlls ij kaDokdkj gSA ;fn vk/kkj dk O;kl 105m rFkk kaDokdkj Hkkx dh frjNh pkbZ 53m gS bl VSUV dks cukus esa iz;ksx esa ykbZ xbZ dSuol dk {ks=Qy Kkr dhft,A A circus tent is cylindrical upto a height of 3m and conical above it. If the diameter of the base is 105m and the slant height of the conical part is 53m, find the area of canvas used in making the tent. Long Answer-I type (4 mark) questions 1 ,d fHk dk va k gj ls 2 de gSA ;fn va k rFkk gj nksuksa esa 1 tksM+k tk, rks ubZ fHk rFkk ewy fHk dk ;ksx gS rks ewy fHk Kkr dhft,A The numerator of a fraction is 2 less than the denominator. If 1 is added to both numerator and denominator, the sum of the new and original fraction is 2 ,d lekUrj Js.kh ds izFke Kkr dhft,A n inksa dk ;ksx Sn = 3n2 4n . Find the original fraction. gSA lekUrj Js.kh rFkk bldk 12oka in The sum of the first n terms of an AP is given by Sn = 3n2 4n. Determine the AP and the 12th term. 3 ,d o`r ds ifjxr prqHkqZt dh lEeq[k Hkqtk,a o`r ds dsUnz ij laij w d dks.k varfjr djrh gSaA fl) dhft,A Prove that opposite sides of a quadrilateral circumscribing a circle subtend supplementary angles at the centre of the circle. 4 1.2 m yEch yM+dh ,d xqCckjs dks gok ds lkFk {kSfrt fn kk esa 88-2 m dh pkbZ ij mM+rk ns[krh gSA xqCckjs dk yM+dh dh vk [k ij m ;u dks.k 600 dk gSA dqN le; i pkr~ m ;u dks.k 0 30 vkd`fr ns[ks a A bl vof/k esa xqCckjs }kjk fdruh nwjh r; dh xbZ\ A 1.2 m tall girl spots a balloon moving with the wind in a horizontal line at a height of 88.2m from the ground. The angle of elevation of the balloon from the eyes of the girl at any instant is 600. After some time, the angle of elevation reduces to 300 (see figure). Find the distance travelled by the balloon during the interval. 5 6 cm O;kl dk ,d xksyk ikuh okys csyukdkj esa Mkyk x;kA bl crZu dk O;kl 12 cm gSA ;fn xksyk iwjh rjg ls ikuh esa Mqck;k tk, rks Kkr dhft, fd ikuh dk Lrj fdruk c<+ tk;sxk\ A sphere of diameter 6cm is dropped into a cylindrical vessel partly filled with water. The diameter of the vessel is 12cm. If the sphere is completely submerged, how much will the surface of water be raised? -o0o0o0o-

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