What are the operations in which the set of natural number is closed?
Addition and Subtraction
Addition and multiplication
Subtraction and division
Multiplication and division.
Distance between 7 and 3 is
4
3
-4
-3
What are the numbers at a distance 8 units from 2 on the number line .
-6 , 10
10 , 18
-6 , -14
none of these
Which of the following rational number is a terminating decimal?
7/20
2/13
23/7
2/3
Number of the form 4m+2 is always a/an
Prime number
Even number
Odd number
Rational number
Distance between -9 and -7 is
-2
2
What are the numbers denoting the points at a distance 8 units from the point denoting the number 13 ?
21 , 29
-3 , 5
5 , 21
If x< 0 , then |x| =
x
-x
0
Which of the following is not a natural number?
1
5
8
Which of the following is not a prime number ?
11
14
