Maths quiz -5

                        Maths quiz -5                                

81.Perimeter of circle...

Ans: 2 πr unit

82. what is the next prime number after 5:

Ans: 7

83.what is first perfect square number:

Ans: 1

84. .what is the first perfect cube number:

Ans: 1

85.60 times of 8 equals to:

Ans: 480

86.How many months make a century? 

Ans: 1200 Months

87. What is 6% equals to? 

Ans: 0.06

88. How many years are there is a decade? 

Ans: 10 years

A decade is a period of ten years, especially one that begins with a year ending in 0, for example 1980 to 1989.

89. What is the exponent of 128  ?

Ans: 128 =2⁷ , exponent = 7

 

90. Which is the largest four digit number?

Ans: 9999

 

91. What is the value of cosec 60°?

Ans: 2/√3

 

92. What is the cube root of 27 ?

Ans: 3

 

93.How many months makes 1/2 century? 

Ans: 600

 

94 What is the concept of probability in mathematics?

Ans: a measure of the likelihood of an event to occur.

 

95. A regular polygon has all its sides? 

Ans: Equal

96.  50 times of 8 is equal to: ...

Ans: 400

97.What is the next prime number after 5?

Ans: 7

98.How many sides does a decagon have?

Ans: 10

99. Is -5 an integer? Yes or No.

Ans : yes

100. Cube root of 1331 is:

 Ans: 11  

1331 = 11 x 11 x 11 = 113