Answer :

**Rational NUmber: A number that can be expressed in the form p/q, where q ≠ 0.Irrational Number: A number which can not be expressed in the form p/q. The numbers that are non-repeating and non-terminating are called irrational.(i)** = 4.79583152331…

Since the decimal expansion is non-terminating and non-recurring hence, it is an irrational number

**(ii) ** = 15 = 15/1

It is a rational number as it can be represented in the form of p/q

**(iii)** 0.3796

Since the decimal expansion is terminating number.

Therefore, it is a rational number

**(iv)** 7.478478 = 7.4͞7͞8

Since the decimal expansion is a non-terminating recurring number.

Therefore, it is a rational number

**(v)** 1.101001000100001…

Since the number has decimal expansion as non-terminating and non-repeating.

Hence, it is an irrational number

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