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Q1. 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
Q2. 2.142678 is a/an ________.
Rational number
Irrational number
Whole number
Natural number
Q3. A number is irrational if and only if its decimal representation is:
non- terminating
non- terminating and repeating
non- terminating and non-repeating
Terminating
Q4. 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
Q5. 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
Q6. Convert 7/25 in the form of decimals,
0.27
0.28
6.26
0.35
Q7. 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
Q8. Insert one rational number between 2 and 3.
  ( 2-3)/2  
  ( 2+3)/2     
  (2 x 3)/2.  
  2 x 2 + 3 x 3  
Q9. A rational number which is equal to the negative of itself is _______.
    2  
    -1  
    1/2  
0
Q10. Between 3 and 4 there are
500 rational numbers
1000 rational numbers
10,000 rational numbers
Infinitely many rational numbers
Q11. Between 3 and 4 there are _____.
500 rational numbers
1000 rational numbers
10,000 rational numbers
Infinitely many rational numbers
Q12. Express 0.73 in the form of a fraction
73/10
100/73
1/73
73/100
Q13. The decimal expansion 0.080080008000080000080000008..... is a
Non-terminating, non-recurring
Non-terminating, recurring
Terminating, non-recurring
Terminating ,recurring
Q14. All the integers are
whole numbers
rational numbers
irrational numbers
natural numbers
Q15. The decimal expansion  0.080080008000080000080000008.......  is a
non-terminating ,non-recurring
non-terminating ,recurring
terminating ,non-recurring
terminating ,recurring
Q16. 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
Q17. For a number to be a rational number, the denominator must be
    any real number  
     Any  whole number    
    Non –zero integer    
A positive integer
Q18. 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
Q19. The product or quotient of a non-zero rational number with an irrational number is:
Irrational number
Rational number
Whole number
Natural number
Q20. 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

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