MATHS QUIZ 9 TO 12.pptx

Maths quiz for class 6 to 10. The best MAths Quiz.

1. AADHAR INTERNATIONAL PUBLIC SCHOOL

2. MATHS QUIZ Class - IX TO XII

3. First Round General Maths (Objective Type )

4. NISCHAY HOUSE

5. 1. 4 5 end with digit - A. B. C. D. 5 4 6

6. Ans. C. 4

7. 2.If the root of the equation 3x²-kx-2=0 is 2,then what is the value of k. A. B. C. D. -2 3 5

8. An s . D. 5

9. 3.If p+2, 4p-6 and 3p-2 are the three consecutive terms of an A.P., Find the value of p. A. B. C. D. 1 2 3 4

10. Ans. C. 3

11. PRAYAAS HOUSE

12. 4 . In Series 1,3,7,15 ,….., what is the next term? A. B. C. D. 28 29 30 31

13. Ans. 31

14. 5. If the tan A=3/4,then what is the value of sec A ? A. B. C. D. 4/3 3/5 5/3 5/4

15. Ans. D. 5/4

16. Q.6-What is the value of Cos80/Sin10+Cos 59 Cosec31 . A. B. C. D. 1 2 3

17. An s . C. 2

18. SANKALP HOUSE

19. Q.7-If A+B+C=180 and angle A=90,then what is value of tan(B+C)? A. B. 1 C. Not define D.1/√2

20. Ans.-Not define

21. Q.8-What is the value of A? if 2Sin²A=1/2 , 0<A<90 . A. B. C. D. 30 45 60

22. Ans. 30

23. Q9 The sum of two numbers is 27 and product is 182. The numbers are: (a) 12 and 13 (b) 13 and 14 (c) 12 and 15 (d) 13 and 24

24. ANSWER – B (13,14)

25. Geome t ry

26. 1. In given figure, QT┴ PR, what is the value of x? P Q T R 40 o x S 30 o

27. Ans. 80

28. 2 . In given circle AB is diameter of circle.What is the value of x ? 60 o C A B x D

29. Ans. 30 o

30. 3.In given figure ,PAR=90. Find QPR. Q P R A 90 O 24 cm.

31. Ans. 90 o

32. PRAYAAS HOUSE

33. 4.In the given figure , ∆ ODC~∆OBA . BOC=125 and CDO=70 ,Find OAB. D C A B 70 o O 125 o

34. Ans. 55 o

35. 5.Give the name of the point of intersection where all the altitude of a triangle meet.

36. ORTHOCENTRE

37. 6. If one angle of an isosceles triangle is of 50 and AB=AC,Find the value of other two angles. B A 50 o C

38. Ans. 65 , 65

39. SANKALP HOUSE

40. 7. What is the area of an equilateral triangle if the length of side is a unit?

41. Ans. (√3/4)a 2

42. 8.Find the Sum of the interior angles of a polygon having 12 sides.

43. Ans.1800

44. 9. In the below figure, the value of ∠ADC is: a. 60° b. 30° c. 45° d. 55°

45. ANSWER- C 45 Degree

46. 3 rd Round (Passing Round)

47. Q.1. Two Cubes each of volume 64 cm³ are joined end to end . Find the surface area of the resulting cuboid.

48. Ans.160 cm²

49. 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.

50. Ans. 56 cm.

51. 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 .

52. Ans. (4/3) cm³

53. 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 .

54. Ans. 2 cm.

55. 5.  How many 3-digit even numbers can be formed from the digits 1, 2, 3, 4, 5, and 6 if the digits can be repeated?

56. Answer - 108

57. 6. Find the number of ways of selecting 9 balls from 6 red balls, 5 white balls and 5 blue balls if each selection consists of 3 balls of each colour.

58. Answer - 2000

59. Fourth Round Buzzer Round

60. Q.1 Name the mathematician . Who first compute the decimal expansion of л(Pie) .

61. Ans. Archimedes

62. Q.2- Find the value of 32 2/5.

63. An s . 4

64. Q.3- What are the zeros of the polynomial P(x)=x²-5x+6?

65. Ans. 2,3

66. Q.4- What is the remainder when x 4 + x³+x²- 2x+1 is divided by x-1?

67. Ans. 2

68. Q.5-If x+y+z=0 then x³+y³+z³ is equal to …………. .

69. Ans. 3xyz

70. Q.6-Find the value of [(1.7) 2 – (1.3) 2 ]/(1.7-1.3)

71. Ans. 3

72. Q.7- If the co - ordinate of a point are (3,2) then find the abscissa.

73. Ans. 3

74. Q.8- Give any two solution of the equation x+2y= 6.

75. Ans. X=6, y=0 and x=0 , y=3

76. Q9 -Two cards are drawn at random and without replacement from a pack of 52 playing cards.Find the probability that both the cards are black.

77. Ans- 25/102

78. Q10- Find the equation of the circle with radius 5 whose centre lies on x-axis and passes through the point (2, 3).

79. Ans-The equation of the required circle is x 2  + y 2  + 4x – 21 = 0 and x 2  + y 2  -12x + 11 = 0

80. Q11  If X and Y are two sets such that X ∪Y has 18 elements, X has 8 elements and Y has 15 elements; how many elements does X ∩ Y have?

81. Ans. 5

82. Q12 Find the 12 th  term of a G.P. whose 8 th  term is 192, and the common ratio is 2.

83. Ans – 3072

84. Thank you.