The set of all numbers comprising rational, irrational numbers is known as _______.
Set of natural numbers
Set of whole numbers
Set of real numbers
Set of negative number
The value of √5 × √45 is
5
9
10
15
A non empty set, which satisfies closure property, associative property, identity property and inverse property
is called a
Field
Abelian group
Group
Ring
√2 is
A rational number
An irrational number
A composite number
A prime number
The subtraction of an integer is equivalent to ______ of the inverse of the integer.
Addition
Subtraction
Multiplication
Division
The periodicity of =
3
123
2
12
If x2 = 841 then x =
21
27
29
31
The period of is =
25
125
The successor of - 10 is
11
-11
-9
+9
Additive inverse of 3 1/2 is
7/2
-7/2
2/7
-2/7