Natural Numbers

Q.

Every integer is a whole number. True or false give reasons?

Q. Which number have no predecessor in the natural numbers?

Q.

By pressing F12 in a keyboard, which of the following will happen?

1. Save As dialog box will open

2. Save dialog box will open

3. Open dialog box will open

4. Close dialog box will open

Q. What is the predecessor of natural number 1?

1. 0
2. 2
3. 10
4. Does not exist

Q.

In the list of counting numbers, '1' is the smallest number.

1. True

2. False

Q.

The result which we get after subtraction is called $\_\_\_\_\_\_\_\_\_$

Q.

The numbers which start from 1 are called _____.

1. Whole numbers

2. Natural Numbers

3. Integers

4. Prime Numbers

Q. Which of the following is/are true?
Statement 1: All whole numbers are natural numbers.
Statement 2: All natural numbers are whole numbers.

1. Both the statements are true
2. Both the statements are false
3. Statement 1 is true and Statement 2 is false.
4. Statement 1 is false and Statement 2 is true.

Q.

Question 18.

State True/False

The smallest natural number is zero.

Q.

The sum of any two natural numbers will be less than any of the addends.

1. True

2. False

Q.

The successor of -1 is 0

1. True

2. False

Q. Represent $2\frac{1}{4}$ on a number line.

Q.

Write the following set in set builder form.

The set of all natural numbers less than $10$.

Q.

The set of counting numbers starting with 1 and continuing 2, 3, 4.....and so on are called _____.

1. Natural Number

2. Whole Number

3. Integers

4. Composite Numbers

Q.

Fill in the missing numbers/words.
The successor of $3899$ is

Q.

In the set of natural numbers, ___ is the smallest number. (Answer in numerical form)

Q. Represent $\frac{2}{7}$ on a number line.

Q.

How many of the following are natural numbers ?

12, 34.66, 0 and 900000

1. 1

2. 2

3. 4

4. 3

Q. Every number can be arranged in the shape of a line made up of dots.

1. True
2. False

Q.

The natural number _______ has no predecessor.

Q.

Why addition and multiplication follow the property of closure, but subtraction and division not? Explain with examples. [2 MARKS]

Q.

Every whole number has a predecessor.

1. True
2. False

Q.

Write the whole number whose successor is : $8300000$

Q. What is the largest five digit number which can be formed using the digits 7, 8, 5, 4 and 9. There is no limit on the repetition of digits.

1. 98754
2. 99999
3. 97854
4. 98745

Q.

Between which two numbers in tenths place on the number line does the given number lie?

0.45

Q.

A Mobile number consists of ten digits. The first four digits of the numbers are 9, 9, 8 and 7 . The last three digits are 3, 5 and 5. The remaining digits are distinct and make the mobile number, the greatest possible number. What are these digits?

Q.

Write the successor of each of the following numbers:

$9199\_\_\_\_\_\_\_\_\_\_\_$

Q.

In the list of counting numbers, $1$ is the smallest number. Say true or false.

1. True

2. False

Q. Commutative property holds true for which operations on whole numbers?

Q.

Question 1 (b)

What is the sum of any two even number?