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5/31 MCQs for:

NUMBER & NUMERATION: Irrational Numbers

Which of the following numbers is an example of a rational approximation of π?

7 / 22.

3 / 1.

22 / 7.

1 / 3.

Which of the following equations is true?

√2 + √2 = 2√2.

√3 - √3 = 0.

All are correct.

√5 × √5 = 5.

Which of the following is an example of an irrational number involving a square root?

0.

√4.

√10.

1/2.

Which of the following cannot be expressed as a ratio of two integers?

0.

√11.

-3.

5/2.

Which of the following numbers is a famous irrational number?

1.

π.

2.

0.