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Which of the following number is an irrational number between 1/3 and 2/3?

(a) 0.3333….

(b) 0.343403400…

(c) 0.55555….

(d) 0.67670671….

I got this question in an interview for internship.

Enquiry is from Real Numbers and their Decimal Expansions topic in division Number Systems of Mathematics – Class 9

There are infinite irrational numbers between two numbers.

(a) True

(b) False

I have been asked this question in unit test.

The origin of the question is Real Numbers and their Decimal Expansions in chapter Number Systems of Mathematics – Class 9

0.238765563246… is a/an __________

(a) rational number

(b) irrational number

(c) natural number

(d) whole number

I had been asked this question in an internship interview.

This interesting question is from Real Numbers and their Decimal Expansions topic in portion Number Systems of Mathematics – Class 9

The decimal expansion of rational numbers is either terminating or non-terminating and recurring (repeating).

(a) True

(b) False

The question was posed to me in an international level competition.

My question is taken from Real Numbers and their Decimal Expansions in section Number Systems of Mathematics – Class 9

0.3333… is a/an ______________

(a) natural number

(b) whole number

(c) rational number

(d) irrational number

I had been asked this question during an internship interview.

This intriguing question originated from Real Numbers and their Decimal Expansions topic in division Number Systems of Mathematics – Class 9

0.3454545…..=_____________

(a) 345/1000

(b) 350/995

(c) 355/900

(d) 342/990

I got this question in exam.

My question is based upon Real Numbers and their Decimal Expansions topic in section Number Systems of Mathematics – Class 9

Which of the following is the correct way to write \(5.4\bar{12}\)?

(a) 5.412412412…

(b) 5.4121212…

(c) -5.412

(d) 5.4 – 12

I got this question in an internship interview.

Question is from Real Numbers and their Decimal Expansions topic in portion Number Systems of Mathematics – Class 9

Every point on the number line represents a unique real number.

(a) True

(b) False

I got this question by my college professor while I was bunking the class.

The doubt is from Irrational Numbers in chapter Number Systems of Mathematics – Class 9

Which of the following is not irrational number?

(a) \(\frac{\sqrt{9}}{2}\)

(b) π

(c) \(\frac{\sqrt{3}}{2}\)

(d) \(\frac{\sqrt{11}}{2}\)

This question was addressed to me during an interview.

This key question is from Irrational Numbers in chapter Number Systems of Mathematics – Class 9

How many real numbers are there between 3 and 8 (Including 3 and 8)?

(a) Six

(b) Four

(c) Infinite

(d) Five

This question was posed to me during an interview.

My doubt stems from Irrational Numbers in division Number Systems of Mathematics – Class 9

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