Question

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Answer 1

A rational number is any integer, fraction, terminating decimal, or repeating decimal. So the irrational numbers are options B and C.

Answer 2

√28 and √11

Explanation:

Note : -

Irrational number is any real number that cannot be expressed as the quotient of two integers.

Here,

√28 = 5.291.......

5.291.... is an infinite number, it keeps going, it cannot be expressed in terms of a fraction.

Similarly,

√11 = 3.316......

Hence,

√28 and √11 are irrational numbers.