Question 1 :
Using a number line, write the numbers -15, 7, 0, -8 and -3 in ascending order of value.
Question 3 :
The sum of an even number and an odd number is odd number.
Question 12 :
Commutativity and associativity are properties of natural numbers and whole numbers both.
Question 16 :
Using a number line, write the numbers 8, -6, 2 -12, 0, 15 and -1 in descending order of value.
Question 18 :
Commutativity and associativity are properties of addition for natural numbers and whole numbers both.
Question 19 :
The product of the predecessor and the successor of the greatest 2-digit number is
Question 21 :
10 + 12 + 16 = (10 + 12) + 16 = 10 + (12 + 16)
Question 24 :
Whole numbers and natural numbers differ only by one number, i.e., zero (0).
Question 27 :
The sum of the successor of the greatest 3-digit number and the predecessor of the smallest 3-digit number is
Question 28 :
Sum of two whole numbers may not be a natural number.
Question 30 :
The value of (93 × 63 + 93 × 37) is
Question 33 :
If x is a whole number then -x is also a whole number.
Question 36 :
In each case, arrange the given integers in ascending order using a number line.<br> 3, – 3, 4, – 7, 0, – 6, 2
Question 37 :
If a and b are any two whole numbers, then a + b is not a whole number.
Question 38 :
The whole number which does not have a predecessor in whole number system is
Question 39 :
Since, zero is neither negative nor positive ; it is not an integer.
Question 41 :
In each case, arrange the given integers in descending order using a number line.<br> -5, -3, 8, 15, 0, -2
Question 44 :
On dividing a number by 9 we get 47 as quotient and 5 as remainder. The number is
Question 45 :
If a is a whole number such that a + a = a, then a is equal to
Question 47 :
In each case, arrange the given integers in ascending order using a number line.<br> – 8, 0, – 5, 5, 4, – 1
Question 48 :
If a and b are any two whole numbers, then a + b = b + a
Question 51 :
For p = 7 and q = –3, <br> p × q = q × p
Question 54 :
With the help of number line, are 0.-5 possible integral values of x, :<br> x > –7
Question 55 :
With the help of number line, are 0,1 two possible integral values of x, for:<br> x < 4
Question 56 :
The statement “when an integer is added to itself, the sum is less than the integer” is
Question 57 :
For p = 7 and q = –3, <br> p – 0 = p, but 0 – q ≠ q
Question 58 :
With the help of number line, are -9,-4 possible integral values of x, for :<br> x > –10
Question 68 :
With the help of number line, are 2,3 possible integral values of x, for :<br> 0 < x < 5
Question 69 :
For p = 7 and q = –3, <br> p – q ≠ q – p
Question 73 :
With the help of number line, are -6,-5 two possible integral values of x, for :<br> –7 < x < – 4.
Question 74 :
If the sum of two integers is -17 and one of them is -9, then the other is
Question 77 :
With the help of number line, are -1,-4 possible integral values of x, for :<br> x < 0
Question 79 :
For p = 7 and q = –3, <br> p + q = q + p