1

Q1. Between 3 and 4 there are _____.

500 rational numbers

1000 rational numbers

10,000 rational numbers

Infinitely many rational numbers

Q2. The ratio of the circumference of a circle to the diameter of the circle is

an irrational number

a rational number

an integer

a whole number

Q3. The ratio of the circumference of a circle to the diameter of the circle is

an irrational number

a rational number

an integer

a whole number

Q4. Which of the following is true about real numbers?

All real numbers are rational numbers            

All real numbers are irrational numbers

   Rational and irrational numbers together constitute real numbers.

   Some rational numbers are real numbers

Q5. Between 3 and 4 there are

500 rational numbers

1000 rational numbers

10,000 rational numbers

Infinitely many rational numbers

Q6. The product or quotient of a non-zero rational number with an irrational number is:

Irrational number

Rational number

Whole number

Natural number

Q7. How many rational numbers can you find between 5 and 6?

5

infinite

6

1

Q8. 2.142678 is a ………

Rational number

Irrational number

Whole number

Natural number

Q9. Which of the following statement about real numbers is false ?

Closed with respect to operation of algebra

Closed with respect to commutative law of addition

Distributive law of multiplication with respect to addition

Associative law of multiplication

Q10. To represent 9.3234 which of the following method would be used.

By the process of successive magnification

By using Pythagoras theorem (Geometrical construction)

By constructing equal arcs

By using square identities

Q11. Express 1.657 in the form of a fraction

1657/10

1657

1657/1000

1657/100

Q12. Express 0.73 in the form of a fraction

73/10

100/73

1/73

73/100

Q13. Insert one rational number between 2 and 3.

  ( 2-3)/2  

  ( 2+3)/2     

  (2 x 3)/2.  

  2 x 2 + 3 x 3  

Q14. Which of the following statement about real numbers is false ?

Closed with respect to operation of algebra

Closed with respect to commutative law of addition

Distributive law of multiplication with respect to addition

Associative law of multiplication

Q15. For a number to be a rational number, the denominator must be

    any real number  

     Any  whole number    

    Non –zero integer    

A positive integer

Q16. A number is said to be an irrational number if its decimal form is

repeating

terminating

non terminating non repeating

non terminating repeating

Q17. A number is irrational if and only if its decimal representation is:

non- terminating

non- terminating and repeating

non- terminating and non-repeating

Terminating

Q18. Which of the following statement is true?

Every real number is an irrational number.

Every real number is a rational number.

The real number line contains both rational as well as irrational numbers.

Half the numbers on the number line are rational and the remaining half irrational

Q19. The decimal expansions that correspond to rational numbers is ____.

Terminating

Recurring

Either terminating or recurring

Both terminating and recurring

Q20. The decimal expansion  0.080080008000080000080000008.......  is a

non-terminating ,non-recurring

non-terminating ,recurring

terminating ,non-recurring

terminating ,recurring