Types of Number

Q.

Every whole number is an integer.

1. True

2. False

Q. Which of the following statements is false?
(i) All whole numbers are rational numbers.
(ii) Negative integers are not rational numbers.
(iii) Zero is not a rational number.

1. (i) and (iii)
2. (ii) and (iii)
3. (i) and (iii)
4. (i)

Q.

If $\frac{r}{s}$ is a rational number, then $s$ cannot be equal to zero. State whether the statement is true $\left(T\right)$ or false $\left(\mathrm{F}\right)$.

1. True
2. False

Q. A rational number is defined as a number that can be expressed in the form of :

1. p+q
2. pq
3. p-q
4. p/q

Q. 23 + 14 = 14 + 23 is an example of ______ property.

1. distributive
2. commutative
3. closure
4. associative

Q.

Which of the following statements is incorrect?

1. Every whole number is a rational number

2. Every integer is a rational number

3. Every rational number is not an integer

4. Zero is a whole number and it is rational number too

Q. What is the rational number represented by 'X' in the numberline given below?

1. $\frac{2}{10}$
2. $\frac{2}{5}$
3. $\frac{0}{10}$
4. $\frac{3}{10}$

Q.

Every rational number is …

1. a natural number

2. an integer

3. a real number

4. a whole number

Q.

Find the value of $\frac{30!}{28!}$

Q. Define Rational Number?

Q.

$8\frac{1}{4}m$ of ribbon is cut from a piece of $10m$ long. How much ribbon is left?

Q.

Which of the following statement(s) is/are true?

(i) Every whole number is a rational number.

(ii) Every integer is a rational number.

(iii) 0 is a whole number but it is not a rational number.

1. (i), (ii), (iii)

2. (i), (ii)

3. (i)

4. (ii), (iii)

Q. There always exists a/an ________ between any two integers.

1. natural number
2. whole number
3. integer
4. rational number

Q.

Which is the greatest whole number?

Q. The multiplicative inverse of additive inverse of sum of mean of $\frac{-5}{6}$ and $\frac{5}{12}$ and mean of $\frac{3}{5}$ and $\frac{-3}{15}$ is
$\frac{-5}{6}$ व $\frac{5}{12}$ के माध्य तथा $\frac{3}{5}$ व $\frac{-3}{15}$ के माध्य के योगफल के योज्य प्रतिलोम का गुणात्मक प्रतिलोम है

1. $\frac{-1}{120}$
2. $\frac{1}{120}$
3. 120
4. ­–120

Q.

If $\frac{p}{q}$ is a rational number, then ___.

1. p cannot be equal to 0

2. q cannot be equal to 0

3. both p and q cannot be equal to zero

4. Both p and q can be equal to zero

Q.

Which of the following are rational numbers and which are not?

$0$

Q.

Every whole number is a rational number. State whether the statement is true (T) or false (F).

1. True
2. False

Q.

Write the numerator and denominator of each of the following rational numbers.

$\frac{0}{-13}$

Q. The multiplicative identity for a number is ____ .

1. 0
2. 1
3. -1
4. 2

Q. Represent $\frac{7}{4}$ numbers on the number line.

Q.

Which of the following are rational numbers and which are not?

$-5$

Q. Whole numbers starts from zero.

1. True
2. False

Q. If $(\frac{a}{b}+\frac{c}{d})+\frac{e}{f}=\frac{a}{b}+(\frac{c}{d}+\frac{e}{f})$, then this expression represents .

1. closure property
2. commutativity
3. associativity

Q. The rational numbers are not closed under .

1. addition
2. subtraction
3. multiplication
4. division

Q. $\text{Any number of the form}\frac{p}{q}\text{where p and q are}\text{integers and q}\ne 0\text{is called a rational number.}$

1. True
2. False

Q. (a + b) = (b + a) represents closure property.

1. True
2. False

Q. $\text{Which of the following is true for the}\text{commutativity of addition and}\text{multiplication of the numbers 7 and}\frac{13}{2}?$

1. $7+\frac{13}{2}=\frac{13}{2}+7$
2. $7+(\frac{13}{2}+8)=(7+\frac{13}{2})+8$
3. $7\times \frac{13}{2}=\frac{13}{2}\times 7$
4. $7-\frac{13}{2}=\frac{13}{2}-7$

Q. Which of the following is a natural number?

1. 0.64
2. 64
3. -64
4. -46

Q.

Multiply:

$\frac{-5}{8}\times \frac{4}{9}$