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Math Riddles

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  • If 4/(x-1)∈Q, then x ≠ …
    1
  • What occurs twice in a week ,once in a year , but never in a day ?
    Letter E
  • 1/4 x 1/2 =
    1/8
  • The rational number x/-3 is negative if x is greater than zero true or false
    true
  • The increase of 2x than -3x is
    5x
  • Which is heavier 1 kgm of cotton or 1 kgm of iron ?
    EQUAL
  • The additive inverse of ( 2/5)0 is
    -1
  • -|-1/3| in a form of a/b is
    -1/3
  • The remainder of subtracting -7x from -9x
    -2x
  • I am 10 less than 108 .What am I?
    98
  • I am 10 more than 237 . What am I ?
    247
  • 30% = ……………………………. in the form of a/b
    3/10
  • What is your favorite food ?
    thank you
  • 13) The rational number that has no multiplicative inverse is
    zero
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