Question

A quantity which expresses a part of the whole is called a/an
A.Fraction
B.Prime number
C.Integer
D.None of these

Answer 1

Hint: A quantity that expresses a part of the whole is called a fraction. The standard form of the fraction is $\dfrac{a}{b}$ where $b \ne 0$. We can say that $b$is a whole and $a$is a part of it.

Complete step-by-step answer:
Now if we see our question it is asking about a quantity that expresses a part of the whole.
First, we check for our option A that is a fraction.

We understand the definition of the fraction by a real-life example.

Suppose there are a total number of students in a class is $40$and on the independence day, $10$students are not present in the class.If I ask about what part of total students is not present?
The answer will be $\dfrac{{10}}{{40}}$.
In this example, our whole is the total number of students that is $40$ and $10$ is the part of the whole which is not present.

Hence, we say that a quantity that expresses a part of the whole is called a fraction.

Mathematically, we write fraction in the form of $\dfrac{a}{b}$, where $b \ne 0$.

Now we check our option B and C.
If we see our option B is a prime number and we know that prime number is not a part of any whole so it cannot be our answer.
If we see our option C that is an integer and we know that integer is also not a part of any whole so it cannot be our answer.

Hence, option A is correct.

Note: We can understand the definition of the fraction by solving more real-life examples.
Suppose that there are $4$apples in a basket and $1$ is rotten then which part of the apple is rotten?
Here, $4$ is considered as a whole and $1$ is the part of whole.
So, our answer will be $\dfrac{1}{4}$.