Rational Number

Q.

A number of the form p/q is said to be a rational number if

1. p and q are integers.

2. p and q are integers and q ≠ 0

3. p and q are integers and p ≠ 0

4. p and q are integers and p ≠ 0 also q ≠ 0

Q.

$\frac{-3}{8}$ is a ____ rational number.

Q. If x and y are two integers, which of the following is not necessarily an integer?

1. x - y
2. x + y
3. xy
4. x/y

Q. When a whole number is subtracted from another whole number, which of the following is correct?

1. The resulting number is always a whole number
2. The resulting number is always zero
3. The resulting number is an integer
4. The resulting number is always a natural number

Q.

The reciprocal of any rational number $\frac{p}{q},$ where $p$ and $q$are integers and$q\ne 0$, is

1. $\frac{p}{q}$

2. $1$

3. $0$

4. $\frac{q}{p}$

Q.

If $\frac{p}{q}$ is a rational number, then $q$ cannot be ______.

Q. Rational numbers are written in the form of $\frac{p}{q}$, where $p$ and $q$ are integers and $q\ne$

1. 0
2. 1
3. -1

Q.

Question 1
Is zero a rational number? Can you write it in the form $\frac{p}{q}$, where p and q are integers and $q\ne 0$?

Q. The set of all natural numbers is

1. Finite
2. Infinite

Q.

Question 118

Fill in the blank to make the statement true.
If 0 is subtracted from a whole number, then the result is the _____ itself.

Q.

Which one of the following is/are incorrect?

1. N₇

2. N₁₂

3. N₃

4. N₄

Q. Rational numbers are written in the form of $\frac{p}{q}$, where $p$ and $q$ are integers and $q\ne$

1. 1
2. 0
3. -1

Q.

Which of the following is a rational number?

1. $\sqrt{2}$

2. $\pi$

3. $\frac{2}{0}$

4. 4.8

Q.

N is the set of all natural numbers .

1. False

2. True

Q. Express $5.324$in the form $\frac{p}{q}$ where $p$ and $q$ are integers, and $q\ne 0$.

Q.

Which of the following statement is not correct regarding rational number?

1. It can have non terminating recurring decimal.

2. It cannot be represented on a number line.

3. It can be written in the form of p/q where p and q are integers and q ≠ 0.

4. It can have terminating decimal form.

Q. All integers are rational numbers.

1. False
2. True

Q.

Product of $\frac{7}{6}$ and reciprocal of $\frac{11}{66}$ is __________.

1. $\frac{7}{6}$

2. $7$

3. $\frac{7}{11}$

4. $\frac{1}{6}$

Q. Select the Rational numbers.

1. $\sqrt{8}$
2. $\frac{1}{2}$
3. 3
4. $\sqrt{16}$
5. $\sqrt{4}$
6. $\sqrt{3}$
7. π
8. $\frac{39}{3}$

Q. There are ____ rational numbers between 0.5 and 0.7.

1. 10
2. infinitely many
3. 2
4. 3

Q.

Every repeating decimal is a rational number.

1. True
2. False

Q. Which of the following is a rational number between $\frac{5}{4}$ and $\frac{3}{2}$?

Q. The set of all natural numbers is

1. Infinite
2. Finite

Q.

Write down the rational number whose numerator is the smallest four digit number and denominator is the largest five digit number.

1. $\frac{1000}{99999}$

2. $\frac{1000}{99900}$

3. $\frac{9999}{99999}$

4. $\frac{1000}{10000}$

Q. 3.27272727... is ____________.

1. an integer
2. a rational number
3. a natural number
4. an irrational number

Q.

Choose the rational numbers whose numerator is $(-5)\times 6$, and the denominator is $(34-23)\times (7-5)$.

1. $\frac{20}{11}$

2. $\frac{40}{22}$

3. $\frac{-15}{11}$

4. $\frac{-30}{22}$