Class VIII

The multiplicative identity of rational number is
  1. 0
  2. 1
  3. -1
  4. none of these
Reciprocal of 0 is
  1. 0
  2. 1
  3. -1
  4. not defined
Which one of the following holds distributive law
  1. a(b + c) = ab + c
  2. a(b + c) = b + ac
  3. a(b + c) = ab + ac
  4. none of these
The multiplication of 3/5 and reciprocal of 18/5 is
  1. 0.2
  2. 0.333333333
  3. 0.166666667
  4. 54/25
A number written in the form p/q is called a/an ____
  1. irrational number where q ≠ 0
  2. irrational number where q = 0
  3. rational number where q ≠ 0
  4. rational number where q = 0
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