# Choose the Correct Alternative Answer for the Question Given Below. - Algebra

MCQ

Choose the correct alternative answer for the question given below.

Which of the following is an irrational number?

#### Options

• 0.17

• 1.513

• 0.2746

• 0.101001000.....

#### Solution

Since ,
0.17 has a terminating decimal expansion , so , it is rational number;

1.513 has non-terminating recurring decimal expansion, so, it is rational number;

0.2746  has non-terminating recurring decimal expansion, so, it is rational number;

0.101001000..... has non-terminating non-recurring decimal expansion, so, it is irrational number;

Concept: Concept of Rational Numbers
Is there an error in this question or solution?

#### APPEARS IN

Balbharati Mathematics 1 Algebra 9th Standard Maharashtra State Board
Chapter 2 Real Numbers
Problem Set 2 | Q 1.02 | Page 34