MCQs4All - Mathematics Collection

Mathematics MCQs for NTS, FPSC, CSS, PPSC, PMS, UTS, FTS, OTS, Algebra, Discrete, Applied, Calculus, Geometry, Trigonometry of past papers

Question. A closed set with respect to some binary operation is called semi- group if
  1. * is associative
  2. * is commutative
  3. * is anti-commutative
  4. identity element exists
Question. A declarative statement which may be true or false but not both is called
  1. Proposition
  2. Deduction
  3. Induction
  4. knowledge
Question. A fraction in which degree of numberator is greater than degree of denominator
  1. a proper fraction
  2. an improper fraction
  3. equation
  4. algebric relation
Question. A function from A to B is called onto function if its range is
  1. B
  2. A
  3. Neither A nor B
  4. Both A and B
Question. A function in which second element of order pair are distinct is called
  1. onto function
  2. one-one function
  3. identity function
  4. inverse function
Question. A function whose domain is set of natural numbers is called
  1. sequence
  2. series
  3. identity function
  4. onto function
Question. A function whose range consists of just one element is called is
  1. onto function
  2. one-one function
  3. constant function
  4. identity function
Question. A geometric mean between 2 and 4 is are
  1. ±8√(2)
  2. ±4√(2)
  3. ±2√(2)
  4. ±√(2)
Question. A geometric mean between 2 and 8 is also
  1. 5
  2. −4
  3. −3
  4. None of Above
Question. A matrix having m rows and n columns with m = n is said to be a
  1. rectangular matrix
  2. square matrix
  3. identity matrix
  4. scaler matrix
Question. A matrix having m rows and n columns with m ≠ n is said to be a
  1. rectangular matrix
  2. square matrix
  3. identity matrix
  4. scaler matrix
Question. A monoid is always a
  1. A group
  2. a commutative group
  3. a non abelian group
  4. groupoid
Question. A number A is said to be arithmetic mean between two numbers a and b if a,A,b is
  1. a sequence
  2. not a sequence
  3. G.P
  4. A.P