Question

1)Which is the smallest whole number?

2)Write the successor of 1997.

3)Divide 7÷0

4)If the product of two whole numbers is one if

(a)one number is 1

(b)two numbers are 1

(c)not defined

(d)none of these

5)Simplify 126x55+126x45

6)Fill in the blanks to make the statement true.6245+(631+751)=(631+

……….)+751

7)0 divided by 6is_______

8)The sum of a natural number with a wholenumber is always____________

(a)0

(b)100

(c)even number

(d)a naturalnumber

9)Predecessor of which two digit number has a single digit number.

(a)9
(b)10
(c)0
(d)11


10)Which number is identity for multiplication of whole numbers?​

Answer 1

Answer:

(1) "0"

zero is the smallest whole number.

(2) 1998

To find successor of any number, we Add "1" from the given number.

therefore, 1997+1=1998.

(3) Can't divide by zero

7 divided by 0 is undefined. This is because it is absolutely impossible to divide a non-zero number by zero.

(4) 1 is the identity for multiplication of whole numbers or multiplicative identity for whole numbers. A number remain unchanged when multiplied by 1. Hence the product of two whole numbers will be equal to 1 if and only if both whole numbers are 1.

(5) 126×55+126×45

=126×(55+45)

=126×100

=12600

(6) 6245

(7) Can't divide by 0.

(8) whole number.

(9) The predecessor of a two-digit number is never a single-digit number. Reason: Let's consider an example, predecessor of 10 = 10-1 = 9 which is a single-digit number.

Explanation:

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