Which of the following statements about rational numbers is TRUE?
  • The sum of two irrational numbers is always rational
  • Every integer is a rational number
  • Every rational number is an integer
  • Rational numbers cannot be negative
How many rational numbers can be found between and ?
  • None
  • Infinitely many
  • Exactly two
  • Only one
Which of the following statements is TRUE about the number ?
  • is a positive integer
  • is a negative integer
  • is neither positive nor negative
  • is an irrational number
What is a possible integer that could be between -6 and 2 on a number line?
  • 4
  • -8
  • 3
  • -3
Which of the following expressions represents a positive number?
  • -4.5 - (-5)
  • -1/8 + (-5/8)
  • 6.1 + (-6.2)
  • -3/4 - (-2/3)
A non-repeating or non-terminating decimal is classified as ________________.
  • rational, real
  • irrational, real
  • integer, rational, real
  • whole, integer, irrational, real
Classify the number:
  • integer, rational, real
  • rational, real
  • irrational, real
  • whole, integer, rational, real
Which of the following is irrational?
  • 49\sqrt{\frac{4}{9}}94​​
  • 123\sqrt{\frac{12}{3}}312​​
  • 7\sqrt{7}7​
  • 81\sqrt{81}81​
23+32\sqrt{3}+\sqrt{3}23​+3​ is equal to
  • 262\sqrt{6}26​
  • 6
  • 333\sqrt{3}33​
  • 464\sqrt{6}46​
The number obtained on rationalising the denominator of 17−2\frac{1}{\sqrt{7}-2}7​−21​ is
  • 7+23\frac{\sqrt{7}+2}{3}37​+2​
  • 7−23\frac{\sqrt{7}-2}{3}37​−2​
  • 7+25\frac{\sqrt{7}+2}{5}57​+2​
  • 7+245\frac{\sqrt{7}+2}{45}457​+2​
After rationalising the denominator of 733−22\frac{7}{3\sqrt{3}-2\sqrt{2}}33​−22​7​ , we get the denominator as
  • 13
  • 19
  • 5
  • 35
The square root of which number is rational
  • 7
  • 11
  • 0.04
  • 13
the number is ( 3−33-\sqrt{3}3−3​ )(3 −3-\sqrt{3}−3​ )
  • an irrational number
  • a rational number
  • not a natural number
  • none of these
The decimal expansion of an irrational number may be:
  • terminating
  • recurring
  • either terminating or non terminating
  • non terminating and non recurring
From the choices given below mark the co-prime numbers
  • 2,3
  • 2,4
  • 2,6
  • 2,110
-14 could NOT be which type of number?
  • Integer
  • Real
  • Rational
  • Natural
Real number consist of
  • only rational numbers
  • only irrational numbers
  • neither rational nor irrational number
  • both rational and irrational numbers
In between two rational number there is/are
  • One rational number
  • Two irrational numbers
  • Infinitely many rational numbers
  • only irrational number exist
The product of a rational and an irrational numbers is
  • Always an irrational number
  • Always an integer
  • Can not say
  • Always a rational number
Which of the following is an irrational?
  • √5
  • √81
  • √64
  • √225
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