Question 2 :
Commutativity and associativity are properties of natural numbers and whole numbers both.
Question 3 :
The value of (93 × 63 + 93 × 37) is
Question 5 :
The number of whole numbers between the smallest whole number and the greatest 2-digit number is
Question 7 :
The sum of an even number and an odd number is odd number.
Question 13 :
If a is a whole number such that a + a = a, then a is equal to
Question 17 :
If x is a whole number then -x is also a whole number.
Question 23 :
Product of two whole numbers may not be a natural number.
Question 29 :
Using a number line, write the numbers 8, -6, 2 -12, 0, 15 and -1 in descending order of value.
Question 31 :
The whole number which does not have a predecessor in whole number system is
Question 33 :
Since, zero is neither negative nor positive ; it is not an integer.
Question 34 :
Using a number line, write the numbers -15, 7, 0, -8 and -3 in ascending order of value.
Question 37 :
By using dot (•) pattern, which of the following numbers can be arranged in two ways namely a triangle and a rectangle?
Question 38 :
In each case, arrange the given integers in ascending order using a number line.<br> – 8, 0, – 5, 5, 4, – 1
Question 39 :
10 + 12 + 16 = (10 + 12) + 16 = 10 + (12 + 16)
Question 41 :
Whole numbers and natural numbers differ only by one number, i.e., zero (0).
Question 42 :
The product of the predecessor and the successor of the greatest 2-digit number is
Question 43 :
In each case, arrange the given integers in ascending order using a number line.<br> 3, – 3, 4, – 7, 0, – 6, 2
Question 44 :
If a and b are any two whole numbers, then a + b = b + a
Question 49 :
Commutativity and associativity are properties of addition for natural numbers and whole numbers both.
Question 52 :
The number of distinct prime factors of the largest 4-digit number is
Question 53 :
Factor of a number is an exact division of the number.
Question 54 :
If a number is divisible by 18, it is divisible by 3 and 6.
Question 55 :
If a number is divisible by 5 and 6 both, then it may not be divisible by
Question 56 :
If a number is divisible by 4. It is divisible by 8.
Question 58 :
Which of the following is a pair of twin- prime number?
Question 65 :
The number of distinct prime factors of the smallest 5-digit number is
Question 69 :
If the LCM of two natural numbers is 180, then which of the following is not the HCF of the numbers?
Question 72 :
The number of common prime factors of 60, 75 and 105 is
Question 81 :
If a number is a factor of 16 and 24, it is a factor of 48.
Question 84 :
If a divide b and c completely, then a divides a + b and a – b completely.
Question 88 :
For every number, its factors are finite and its multiples are infinite.
Question 92 :
The digit by which should be replaced in 7254 * 98 so that the number formed is divisible by 22 is
Question 100 :
If H.C.F. of two numbers is 15 and their product is 1575, then their L.C.M. is
Question 103 :
With the help of number line, are -6,-5 two possible integral values of x, for :<br> –7 < x < – 4.
Question 109 :
With the help of number line, are -1,-4 possible integral values of x, for :<br> x < 0
Question 113 :
If the sum of two integers is -17 and one of them is -9, then the other is
Question 114 :
For p = 7 and q = –3, <br> p × q = q × p
Question 117 :
With the help of number line, are 0.-5 possible integral values of x, :<br> x > –7
Question 118 :
For p = 7 and q = –3, <br> p – q ≠ q – p
Question 119 :
The statement “when an integer is added to itself, the sum is less than the integer” is
Question 120 :
For p = 7 and q = –3, <br> p – 0 = p, but 0 – q ≠ q
Question 121 :
With the help of number line, are -9,-4 possible integral values of x, for :<br> x > –10
Question 123 :
For p = 7 and q = –3, <br> p + q = q + p
Question 127 :
With the help of number line, are 0,1 two possible integral values of x, for:<br> x < 4
Question 128 :
With the help of number line, are 2,3 possible integral values of x, for :<br> 0 < x < 5
