CHAPTER 2 REAL NUMBERS

• always a natural number

• always an irrational number

• always a rational number

• may be rational or irrational

Which of the following is not true?

• Every rational number is a real number

• Every integer is a rational number

• Every real number is an irrational number

• Every natural number is a whole number

Which one of the following, regarding sum of two irrational numbers, is true?

• always an irrational number

• may be a rational or irrational number

• always a rational number

• always an integer

Which one of the following has a terminating decimal expansion?

Which one of the following is an irrational number

An irrational number between 2 and 2.5 is

• 3

• 30

• 0.714285

Find the odd one out of the following