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# maths quiz for class ix and x

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### maths quiz for class ix and x

1. 1. Group No.-2 Class - IX ,X
2. 2. First RoundGeneral Maths (Objective Type)
3. 3. 1. 45 end with digit -• A. 0• B. 5• C. 4• D. 6
4. 4. Ans. C. 4
5. 5. 2.If the root of the equation3x²-kx-2=0 is 2,then what is thevalue of k.• A. 0• B. -2• C. 3• D. 5
6. 6. Ans. D. 5
7. 7. 3.If p+2, 4p-6 and 3p-2 are thethree consecutive terms of an A.P.,Find the value of p. • A. 1 • B. 2 • C. 3 • D. 4
8. 8. Ans. C. 3
9. 9. 4.In Series 1,3,7,15,…..,what is the next term?• A. 28• B. 29• C. 30• D. 31
10. 10. Ans. 31
11. 11. 5. If the tan A=3/4,then what is the value of sec A ?• A. 4/3• B. 3/5• C. 5/3• D. 5/4
12. 12. Ans. D. 5/4
13. 13. Q.6-What is the value ofCos80 /Sin10 +Cos 59 Cosec31 .• A. 0• B. 1• C. 2• D. 3
14. 14. Ans. C. 2
15. 15. Q.7-If A+B+C=180 and angleA=90 ,then what is value oftan(B+C)?• A. 0• B. 1• C. Not define• D.1/√2
16. 16. Ans.-Not define
17. 17. Q.8-What is the value of A? if 2Sin²A=1/2 , 0 <A<90 .• A. 0• B. 30• C. 45• D. 60
18. 18. Ans. 30
19. 19. Geometry
20. 20. 1. In given figure, QT┴ PR, what is the value of x? P 30o T 40o x R Q S
21. 21. •Ans. 80
22. 22. 2. In given circle AB is diameter ofcircle.What is the value of x ? C 60o A B x D
23. 23. Ans. 30o
24. 24. 3.In given figure , PAR=90 . Find QPR. 24 cm. Q P A 90O R
25. 25. Ans. 90o
26. 26. 4.In the given figure,∆ODC~∆OBA. BOC=125 and CDO=70 ,Find OAB. D C 70o O 125o A B
27. 27. Ans. 55o
28. 28. 5.Give the name of the point ofintersection where all thealtitude of a triangle meet.
29. 29. Ans. Arthocentre.
30. 30. 6. If one angle of an isoscelestriangle is of 50 andAB=AC,Find the value of othertwo angles. A 50o B C
31. 31. Ans. 65 ,65 o
32. 32. 7. What is the area of an equilateraltriangle if the length of side is aunit?
33. 33. Ans. (√3/4)a2
34. 34. 8.Find the Sum of the interiorangles of a polygon having 12sides.
35. 35. Ans.1800
36. 36. 3 rd Round(Passing Round)
37. 37. Q.1. Two Cubes each of volume64 cm³ are joined end to end .Find the surface area of theresulting cuboid.
38. 38. Ans.160 cm²
39. 39. Q.2. The radius of a sphere is14cm. It is melted and drawn into acylindrical wire of 7 cm in radius.Find the length of the wire.
40. 40. Ans. 56 cm.
41. 41. 3. Find the volume of thegreatest sphere that can be cutfrom a cylindrical log of wood ofbase radius 1cm and height 5cm.
42. 42. Ans. (4/3) cm³
43. 43. 4. Radius of a cone is 4 cm.Find the height of the cone sothat its volume may be equal tothat of a sphere of 4cm indiameter.
44. 44. Ans. 2 cm.
45. 45. Fourth RoundAlgebra
46. 46. Q.1 Name the mathematician .Who first compute the decimal expansion of л(Pie).
47. 47. Ans. Archimedes
48. 48. Q.2- Find the value of 32 2/5.
49. 49. Ans. 4
50. 50. Q.3- What are the zeros of the polynomial P(x)=x²-5x+6?
51. 51. Ans. 2,3
52. 52. Q.4- What is the remainder when x4 + x³+x²- 2x+1 is divided by x-1?
53. 53. Ans. 2
54. 54. Q.5-If x+y+z=0 then x³+y³+z³ is equal to …………. .
55. 55. Ans. 3xyz
56. 56. Q.6-Find the value of[(1.7)2 – (1.3)2]/(1.7-1.3)
57. 57. Ans. 3
58. 58. Q.7- If the coordinate of a point are (3,2) then find the abscissa.
59. 59. Ans. 3
60. 60. Q.8- Give any two solution of the equation x+2y= 6.
61. 61. Ans. X=6, y=0 and x=0 , y=3
62. 62. End of the Group II