Io 2. 3. 4. 5. 6. 7. 8. \rra ? I/- (ilz rD (ITYISIIJIE UJ U UIreIl feIIIaLIl(Igf (b)0 lS (c) -1 OR 1 (d) 1 I.c.m. (L44, 610) = (a) L44 (b) 610 (c) 1 (d) 43e20 The product of zeros of polynomial x2 - 4x + S = 0 is ___ . (a) 1 (b) 3 (c) 4 (d) -4 One factor of xs + 6x2 + l1x + k is x + 3 then k = (a) 3 (b) 6 (c) 2 (d) 4 5x2 + 6x + 3 is divisible by * + 3 then remainder will be _--. (a) 0 (b) -30 (c) 30 (d) 1 If 2x + 3y= 7 and 3x + 2y = 3 thenx-y = (b) *4 @)4 k)2 G) -2 (2012, -2011) lies in quadrant. (a) First (b) Second (c) Third (d) Fourth Mcde,,tPole { Y Years ageo, the age of Bhagvati is X year, then after Z year the age of Bhagvati is (a)x-y+z --. (b)x+y+z _ 5 7 L7. 7 5 19 then 22 9. = -+-+- = -+l xyxyxy (a) 10. 11. L2. (b) 3 One root of x2 (c)y-x+z (d)x-y-z (c) (d) = 5 6 8 4x + a = 0 is 2 then a = (b) 2 (c) -4 b) -2 (d) 4 The discriminant of a2x2 + b2x + c2 = 0 is (a) D =.b2-Aac (b) D2 =b2-4ac (c) D = b4 -4a2c2 (d) D = b4 + The roots of ax2 + bx + c = 0 are equal then real root is b (a) __ 2a - ft)# - (d) 3 b 13. The discreminant of the equation J-S*, - 2Ji* - 2J5 = 0 is (b) 48 6) ali (d) 32 k) 2J-3 L4. The difference between two roots of equation ax2 + bx + c = 0 is _ (a) D --a ft)€a (c) t) -a (d) 15. The roots of quadratic equation x2 + 18x = 0 are (a) 16. inverse (b) opposite One root of x2 + 6x + @) 20 (c) k = 0 is 4 then k (b) 40 fraction (d) equal = (c) -40 rB (d) I 4a2c2 ) 17. Roots of x2 + 5x + 6 = 0 are u, B then a2+P2 (a) 37 (b) 13 (c) 25 \ 18. L9. 20. (n>2) For A.P. S,, - 2Sn-1 + Sr,-2 = (a) 2d (b) d 9+19+29+...+99 = (a) 460 (b) 450 In A.P. Tz = 12, T11 - 28 then (a) 16 (b) 4 21. In AABC, B-M-C and A-N-C, (a) (b) L2 22. For AXYZ, AMNO Iarity. (a) NMO (d) None (d)a+d (c) a (c) 540 common difference d is (c) 5 MN ll (d) 3 AB. If NC:NA = 1:3 and CM = 4 then BC (c) 16 (d) 455 (d) B * then correspondence Xltz<-+ #=#=# is simi- (b) MoN (c) NOM (d) MNO 23. For AABC - ARQP mZP : mZQ: m/.R = 1:3:5 then mZ_A: mlB : mlC = (a) 1:3:5 (b) 5:3:1 (c) 3:5:1 (d) None 24. In AABC,AB2 + AC2 = 50 arid length of N{edian AD = 3 then BC = (a) 4 (c) 8 (d) 16 $) 24 25. In AABC, mZB = 90 and BM is an altitude on hpotenuse Ae . If AM = 4.b and - MC=SthenBM= 6)4 26. 9 (b) l)istance between A(x1, (c) 6 G is the centroid of APQR. (a) 27. (b) If GM = (d) 10 8 5 then QM = (c) 15 L2 where AM is a median. (d) 18 y1), B(x2, yz) is f"l f.l 28. If P(1, 2), Q(3, 4), R(2, 1) then (3 :l\ (b) (3, 4) @ \z' z) rb) , /(xr * xz)' - (y, + yz)2 (d) J(", - y, )' + (*z - y ,)' circumcentre of APQR is (c) (5 5\ \r'z) (d) (2, 4) 29. The y coordinate is twice the x*coordinate of the midpoint of line segment joining by A(m, 5) and R(2, 7) then m(a) 3 (b) 4 (c) "5 (d) 6 30. F'ind the coordinates of point which divides the line segment joining A(xr, yr), an6 IJ(xz, Yz) in the ratio m:n from A. (b) (mxz+myr, Tyr +nyr') \ m+n *t*r, (d) f**, \ m-n m+n ) mYz +nYr') m-n ) 4 31. If tan0 (a) 32. then 3 1 E (c) (b) 2 (c) 3 (d) Z I G cos" 0 cosec4So = (a) secO then 3 5 (c) 38' than value of tan0 + 4 g (d) None 1 0 (b) 48' 42" 34. If sin0 = (d) 28" cosecO = c) @# (c) d (d) ={) * If the angles of elevation of a tower from two points distance a and b (a > b). !'rom its foot on the same side of the tower have measure 30 and 60, then the height of the tower is (a).ffi 36. (b) 3 o- co.2 o b) 35. 1+sine sin2 e (a) 0 33. 1-sin0 ft) Gb (c) ,[--6 (d) a b The angle of elevation of the base of the temple from the top of building has measure 60 and the angle of elevation of the base of the buitding from the top of temple is 60 then (a) Temple if taller than building (b) Building is taller than temple (c) Temple and building are equatly tall (d) Cannot be determined 37. The height of building is h and the length of elevation of the sun has measure is 45o then (a)x=h ft)x-Zirr its shadow is x. If the angle of (c)2x=h 38. How many circle passes ihrough (d) h = "frx three non collinear point ? (a) one (b) two (c) three (d) four 39. In O(P, 17), the lengthof two parallel chords is 16 and 30. If these two chords one side of centre then the distance between two chord is (a) 5 (b) 7 (c) I (d) 12 40. oA and oB are the two mutually perpendicular radii of a circle having radius 9 cm. The area of the minor sector corresponding to zAoB is (n - 3.14) (a) 63.575 (b) 63.585 (c) 63.595 (d) 63.60 41. OA and 0E are the two mutually perpendicular radii of a circle having radius -. 7 then length of minor arc is (a) 11 (c) 7 b) 22 (d) None of these 42. --. From the {igure, major segment is (a) AtsUM (b)ARUT@ (c) fPBuOeuos (d) -. fl@uoauOn 43. The length of minute hand of a clock is 10 cm. Find the area of the sector.'Fttirnettby'the present' position and the position after five minute of the minute hand. (n = 3.14) ! (b) L57 (a) 157 6 44. If volume of sphere 45. 46. 47. (a) 0.5 1 litre = (a) 1000 (c) 27 4 grc cm3 then (b) 1 (d) None of these u its diameter is 1 (c)2 (d) 2.5 10,000 (c) 100 (d) cm3. (b) 10 The surface area of cylinder is 132 sq.m. and radius is 7 m then height of cylinder is (a) 3 (b) 4 (c) 5 (d) 6 'Ihe surface area and radius of sphere and cone is equal, then the slant height of cone is _ times its radius. (a) half (b) twice (c) thrice (d) fourth times 48. If x -z= 3andr.+z-45 thenMlMarch 2013I (.a) 24 (c) 26 (d) 23 b) 22 49. The mean for data is E. If in every observation multiply by m and n added to each observation then new mean (a)mn+f (Dl nx + m /t 50. F'or ungrouped data, /\ nx (c) \ l5 I - bx= *t 36 then -m (d)mE+n f :_1 t- f (a) (b) 2 k)4 3 (d) 5 Dtrtr rimc '2J9ry1_ Instructions : As per Question Paper-l * fTotal Marks : 50 STSIIOT{:A Answer the following questions in short answer questions z (2 marks each) 16 1. Find square root : 2 + J3 2. -4 and 9 are the sum and product of the zeros respectivelyof a quadratic . polynomial. Find the quadratic polynomial. 3. Solve by cross multiplication method : 0.3x + 0.4y = 2.5, 0.5x - 0.3y = 0.3 Find the 10th term from end for A.P. 3, 6, 9, ... 300. OR In A.P. Tz = 18, T1s = 7 then Find Tror. 4. 4. 5. In Rhombus XYZW. XY = 14 and YW = 48. Find XY. 6. l'ind the ratio in which X*axis devides the segment joining A(3, -2) and 8(-6, 4) 7. 7 from B. If in AABC, mlB - 90, AB = 3, AC = 6 then. Find mZC, mZA, BC. OR 1- tan2 A . If BcotA = 4 then verif Y Lffi = cos2A - sinzA. 8. The distribution below shows the number of wickets taken by a bowlder irt one day cricket matches. Find the mean number of wickets. Number of wickets Number of bowlers 20-60 60-100 100-150 150-250 250-350 350*450 7 5 16 L2 2 3 sE__c_TtQN=B + 9. Solve the following : (3 marks each) tz pen While selling a for Rs. 24 the loss in percentage is equal to its cost price. Find the cost price of pen. The cost price of pen is less than Rs. 50. 10. A dice is thrown once. Find the probability of getting (i) a prime number (ii) a number lying between 2 and 5 and (iii) an even number. 11. Find the mode of the following frequency distribution. CIass 0-15 15-30 30-45 45-60 60-75 75-90 90-105 Frequency I 16 23 57 33 23 13 OR 'Ihe 11. median of 230 observation of the follorving frequency distribution is 46. !'ind a and b. Class 10-20 20-30 30-40 40-50 50-60 60-70 70-80 Frequency L2 30 a 65 b 25 18 \2. A bridge across a valley is h metres long. There is a temple in the valley directly below the bridge. The anlge of depression of the top of the temple from the tu,o ends of the bridge have measures u and B. Prove that the height of the bridge above the top of the temple is h . (tan cr . tan S) tanu + tan$ SErCTION.C * 13. Solve the following : (4 marks each) ABCD is a square of side 20 cm. Find the area of blue coloured region formed by the semi circles drawn on each side as shown in 12 figure. 14. A metallic sphere of radius 3.6 cm is melted and a wire of diameter 0.4 cm of uniform cross-section is drawn from it. Find the length of the wire. OR 14. How many spherical balls of diameter 0.5 cm. can be cast by melting a metal cone with radius 6 cm and height 14 cm. 15. P is the point in the exterior of O(O, r) and the tangents from P to the circle touch the circle at X, Y (i) if r = 12, XP = 5 then find OP (ii) mZXOY = 110 then find mZXPO. t?. 16. SECTION.D (5 Solve the following : marks each) 10 Draw F0 of length 6.5 cm and divide it in the ratio 4:7 write the steps of construction. 17. Prove that in AABC, BC2 = AB2 + ACz then zA ts a right angle. oR 17. In the plane of APQR, a line ll IQR and / intersect. PQ and E at points A and PA PB B then prove that Aa = BR ntrn
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