MATHS QUIZ-4

                         Maths quiz -4                               

60.The maximum value of sinA is..

Ans: 1.

61. The maximum value of an event in probablity is?

Ans: 1.

62.How many quadrants does cartisan plane divides?

Ans: 4 quadrant

63. Slope of a graph is define from which trigonometry ratio?

Ans: Tan θ

64. What is the first even prime number 

Ans: 2

65. The probability of event equal to zero is called ?

Ans:Impossible event

66. If r is the radius of the sphere , then the surface area of the sphere is given by

Ans: 4πr² unit²

67. If we change the shape of an object from a sphere to a cylinder,then the volume of cylinder will 

Ans Remains unchanged

68. If we join two hemisphere of same radius along their bases then we get a 

Ans sphere

69.  Tangent from an external point to a circle are

Ans : Equal.

70. A circle has a number of tangent equal to

Ans : Infinite.

71. A line intersecting a circle in two points is called

Ans : Secant.

72. Which of the following triangle have the same side length

And : Equilateral

73. What is the value of π in degree

Ans : 180 

74. π is an

Ans : irrational number

75. What is the value of π

Ans : 3.14 or 22/7

76. What are the first 2 composite number

Ans 4,6.

77. The addition of a rational number and an irrational number is equal to

Ans Irrational number

78. A square has all its angle equals to;

Ans: 90 degree

79. how many side has a decagon have:

Ans: 10 sides

80. the circumference of circle is some time also called:

Ans: Perimeter