Question

An irrational number between 1.4 and 1.41 is ?
1)1.4121221222
2)1.40121221222
3)1.40121221222
4)1.401​

Answer 1

Answer:

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Step-by-step explanation:

2) 1.40121221222..

Answer 2

Correct question: An irrational number between 1.4 and 1.41 is -

1)1.4121221222

2)1.40121221222

3)1.401​

4) None of the above.

Answer:

None of the given numbers is an irrational number between 1.4 and 1.41 (Option 4).

• An irrational number is a real number which is not a rational number i.e. an irrational number can never be represented as  $\frac{p}{q}$ , where p is an integer and q is a non-zero integer.
• Examples of some irrational numbers: $\pi$, $e$, $\sqrt{2}$, $\sqrt{3}$, etc.
• In option 1, the number 1.4121221222 can be represented as $\frac{14121221222}{10000000000}$. So this is a rational number.
• In option 2, the number 1.40121221222 can be represented as $\frac{140121221222}{100000000000}$. So this is a rational number.
• In option 3, the number 1.401 can be represented as $\frac{1401}{1000}$. So this is a rational number.
• So none of the above numbers is an irrational number. So option 4 is correct.

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