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5/31 MCQs for:

NUMBER & NUMERATION: Real Numbers

Which of the following statements is false?

Every integer is a rational number.

All real numbers can be represented on the number line.

All irrational numbers are negative.

The square root of a perfect square is rational.

Which operation will always yield a rational number when applied to real numbers?

Subtraction of two rational numbers.

None of the above.

Multiplication of an irrational and a rational number.

Addition of two irrational numbers.

Which of the following numbers is both rational and an integer?

√4.

-5.5.

√2.

π.

Which number represents a real number but not a rational number?

-3.

0.

1.

√7.

What is the product of two irrational numbers?

Always irrational.

Undefined.

Always rational.

Sometimes rational.