Question 2 :
If the sum of two integers is -17 and one of them is -9, then the other is
Question 3 :
For p = 7 and q = –3, <br> p + q = q + p
Question 4 :
With the help of number line, are 2,3 possible integral values of x, for :<br> 0 < x < 5
Question 6 :
The statement “when an integer is added to itself, the sum is less than the integer” is
Question 9 :
For p = 7 and q = –3, <br> p – q ≠ q – p
Question 10 :
With the help of number line, are 0,1 two possible integral values of x, for:<br> x < 4
Question 11 :
With the help of number line, are -6,-5 two possible integral values of x, for :<br> –7 < x < – 4.
Question 12 :
For p = 7 and q = –3, <br> p × q = q × p
Question 15 :
For p = 7 and q = –3, <br> p – 0 = p, but 0 – q ≠ q
Question 25 :
With the help of number line, are -1,-4 possible integral values of x, for :<br> x < 0
Question 26 :
With the help of number line, are 0.-5 possible integral values of x, :<br> x > –7
Question 28 :
With the help of number line, are -9,-4 possible integral values of x, for :<br> x > –10
Question 32 :
10 + 12 + 16 = (10 + 12) + 16 = 10 + (12 + 16)
Question 34 :
Using a number line, write the numbers 8, -6, 2 -12, 0, 15 and -1 in descending order of value.
Question 35 :
Whole numbers and natural numbers differ only by one number, i.e., zero (0).
Question 43 :
The sum of the successor of the greatest 3-digit number and the predecessor of the smallest 3-digit number is
Question 44 :
The sum of an even number and an odd number is odd number.
Question 49 :
Product of two whole numbers may not be a natural number.
Question 52 :
Commutativity and associativity are properties of addition for natural numbers and whole numbers both.
Question 53 :
If a and b are any two whole numbers, then a + b is not a whole number.
Question 55 :
If a and b are any two whole numbers, then a + b = b + a
Question 59 :
By using dot (•) pattern, which of the following numbers can be arranged in two ways namely a triangle and a rectangle?
Question 60 :
The number of whole numbers between the smallest whole number and the greatest 2-digit number is
Question 62 :
Sum of two whole numbers may not be a natural number.
Question 64 :
The product of the predecessor and the successor of the greatest 2-digit number is
Question 66 :
If a is a whole number such that a + a = a, then a is equal to
Question 68 :
In each case, arrange the given integers in descending order using a number line.<br> -5, -3, 8, 15, 0, -2
Question 69 :
Using a number line, write the numbers -15, 7, 0, -8 and -3 in ascending order of value.
Question 70 :
The whole number which does not have a predecessor in whole number system is
Question 72 :
The value of (93 × 63 + 93 × 37) is
Question 77 :
Since, zero is neither negative nor positive ; it is not an integer.
Question 80 :
If x is a whole number then -x is also a whole number.
Question 85 :
The number of common prime factors of 60, 75 and 105 is
Question 88 :
Factor of a number is an exact division of the number.
Question 97 :
If a number is divisible by 5 and 6 both, then it may not be divisible by
Question 103 :
If a number is a factor of 16 and 24, it is a factor of 48.
Question 106 :
If H.C.F. of two numbers is 15 and their product is 1575, then their L.C.M. is
Question 108 :
The number of distinct prime factors of the smallest 5-digit number is
Question 112 :
If a number is divisible by 18, it is divisible by 3 and 6.
Question 113 :
If a divide b and c completely, then a divides a + b and a – b completely.
Question 114 :
The digit by which should be replaced in 7254 * 98 so that the number formed is divisible by 22 is
Question 119 :
If a number is divisible by 4. It is divisible by 8.
Question 120 :
The digit by which ‘*’ should be replaced in 54 * 281 so that the number formed is divisible by 9 is
Question 122 :
Which of the following is a pair of twin- prime number?
Question 126 :
For every number, its factors are finite and its multiples are infinite.
Question 127 :
If the LCM of two natural numbers is 180, then which of the following is not the HCF of the numbers?
