Chapter 2) Irrational And Rational Numbers

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Q1. Every number in the non-terminating recurring decimal form is a ................ number.

A) natural
B) rational
C) irrational
D) positive

Q2. The numbers whose decimal form is non-terminating but is not recuring are called .................... .

A) irrational numbers
B) rational numbers
C) fractional numbers
D) natural numbers

Q3. Every rational number is a .............. number.

A) non real
B) real
C) positive
D) negative

Q4. Whose square root is an irrational number?

A) 4
B) 5
C) 16
D) 144

Q5. Which of the following number is terminating recurring decimal number.

A) 1.3333...
B) 0.5288888...
C) 0.777...
D) 0.777

Q6. The decimal form of the number 43/12 is ...... .

A) 358
B) 3.8333
C) 3.5833
D) 3.358

Q7. Which of the following are not equivalent.³?

A) 1.205
B) 1.025
C) 1.0250
D) 1.02500

Q8. 22/7 is a ............... number .

A) irrational
B) rational
C) decimal
D) rational

Q9. The real numbers are collection of ........................ numbers.

A) decimal and integer
B) whole numbers and natural numbers
C) rationals and irrationals
D) natural and rational

Q10. Which of the following number is irrational number ?

A) 1.41421356...
B) 1.4142
C) 1.41
D) 1.4142135623