maths quiz for class ix and x
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This document contains a summary of questions and answers from multiple rounds of a math exam for Class 9 and 10 students. In the first round, it provides 5 multiple choice questions on topics of numbers, algebra, and trigonometry, along with the answers. The second round contains 7 additional multiple choice questions covering geometry, trigonometry, and algebra. The third round includes 4 short answer questions on volumes, areas, and ratios. Finally, the fourth round lists 8 algebra questions ranging from basic operations to solving equations to polynomial factorization.
![Q.6-Find the value of
[(1.7)2 – (1.3)2]/(1.7-1.3)](https://image.slidesharecdn.com/groupno2-111212110443-phpapp02/85/maths-quiz-for-class-ix-and-x-56-320.jpg)
maths quiz for class ix and x
- 1. Group No.-2 Class - IX ,X
- 2. First Round General Maths (Objective Type)
- 3. 1. 45 end with digit - • A. 0 • B. 5 • C. 4 • D. 6
- 4. Ans. C. 4
- 5. 2.If the root of the equation 3x²-kx-2=0 is 2,then what is the value of k. • A. 0 • B. -2 • C. 3 • D. 5
- 6. Ans. D. 5
- 7. 3.If p+2, 4p-6 and 3p-2 are the three consecutive terms of an A.P., Find the value of p. • A. 1 • B. 2 • C. 3 • D. 4
- 8. Ans. C. 3
- 9. 4.In Series 1,3,7,15,…..,what is the next term? • A. 28 • B. 29 • C. 30 • D. 31
- 10. Ans. 31
- 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. Ans. D. 5/4
- 13. Q.6-What is the value of Cos80 /Sin10 +Cos 59 Cosec31 . • A. 0 • B. 1 • C. 2 • D. 3
- 14. Ans. C. 2
- 15. Q.7-If A+B+C=180 and angle A=90 ,then what is value of tan(B+C)? • A. 0 • B. 1 • C. Not define • D.1/√2
- 16. Ans.-Not define
- 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. Ans. 30
- 19. Geometry
- 20. 1. In given figure, QTâ”´ PR, what is the value of x? P 30o T 40o x R Q S
- 21. •Ans. 80
- 22. 2. In given circle AB is diameter of circle.What is the value of x ? C 60o A B x D
- 23. Ans. 30o
- 24. 3.In given figure , PAR=90 . Find QPR. 24 cm. Q P A 90O R
- 25. Ans. 90o
- 26. 4.In the given figure,∆ODC~∆OBA. BOC=125 and CDO=70 ,Find OAB. D C 70o O 125o A B
- 27. Ans. 55o
- 28. 5.Give the name of the point of intersection where all the altitude of a triangle meet.
- 30. 6. If one angle of an isosceles triangle is of 50 and AB=AC,Find the value of other two angles. A 50o B C
- 31. Ans. 65 ,65 o
- 32. 7. What is the area of an equilateral triangle if the length of side is a unit?
- 33. Ans. (√3/4)a2
- 34. 8.Find the Sum of the interior angles of a polygon having 12 sides.
- 35. Ans.1800
- 36. 3 rd Round (Passing Round)
- 37. Q.1. Two Cubes each of volume 64 ³¦³¾Â³ are joined end to end . Find the surface area of the resulting cuboid.
- 38. Ans.160 cm²
- 39. Q.2. The radius of a sphere is 14cm. It is melted and drawn into a cylindrical wire of 7 cm in radius. Find the length of the wire.
- 40. Ans. 56 cm.
- 41. 3. Find the volume of the greatest sphere that can be cut from a cylindrical log of wood of base radius 1cm and height 5 cm.
- 42. Ans. (4/3) ³¦³¾Â³
- 43. 4. Radius of a cone is 4 cm. Find the height of the cone so that its volume may be equal to that of a sphere of 4cm in diameter.
- 44. Ans. 2 cm.
- 46. Q.1 Name the mathematician .Who first compute the decimal expansion of л(Pie).
- 47. Ans. Archimedes
- 48. Q.2- Find the value of 32 2/5.
- 49. Ans. 4
- 50. Q.3- What are the zeros of the polynomial P(x)=x²-5x+6?
- 51. Ans. 2,3
- 52. Q.4- What is the remainder when x4 + x³+x²- 2x+1 is divided by x-1?
- 53. Ans. 2
- 54. Q.5-If x+y+z=0 then x³+y³+z³ is equal to …………. .
- 55. Ans. 3xyz
- 56. Q.6-Find the value of [(1.7)2 – (1.3)2]/(1.7-1.3)
- 57. Ans. 3
- 58. Q.7- If the coordinate of a point are (3,2) then find the abscissa.
- 59. Ans. 3
- 60. Q.8- Give any two solution of the equation x+2y= 6.
- 61. Ans. X=6, y=0 and x=0 , y=3
- 62. End of the Group II