MCQs4All - Mathematics Collection

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

Question. { 3 n : n ε Z } is an abelian group under
  1. subtraction
  2. division
  3. multiplication
  4. addition
Question. {X | x ε N Ʌ x < 1} is the
  1. singleton set
  2. The set with two points
  3. a set with three points
  4. Empty set
Question. {x|x ε N, x ≤ 10} is the
  1. Set builder notation
  2. Tabular method
  3. Descriptive method
  4. non descriptive method
Question. |z1 - z2 | =
  1. > |Z1| + |Z2|
  2. ≤|Z1| + |Z2|
  3. ≤ Z1 + Z2
  4. > Z1 + Z2
Question. √((1 - sinθ)/(1 + sinθ)) =
  1. secθ
  2. tanθ-secθ
  3. secθ-tanθ
  4. cscθ
Question. 0ι =
  1. 0
  2. 1
  3. −1
  4. 2
Question. 1 - cos2α =
  1. 2sinα
  2. 2cosα
  3. 2secα
  4. 2sin²α
Question. 1 - cos3α =
  1. 2cos²(3α/2)
  2. 2sin²(3α/2)
  3. 3/2 cos²(3α/2)
  4. 2sin²2α
Question. 1 - cos4α =
  1. 2sin²α
  2. 4sin²α
  3. 4cos²α
  4. 2sin²2α
Question. 1 - cos6α =
  1. 3sin²α
  2. 2sin²3α
  3. 3sin²3α
  4. 2sin²2α
Question. 1 - cosα/sinα =
  1. tanα/2
  2. −tanα/2
  3. −cotα/2
  4. None of Above
Question. 1 - tanθtanphi/1 + tanθtanphi =
  1. cos(θ+phi)
  2. cos(θ-phi)
  3. cos(θ+phi)/cos(θ-phi)
  4. None of Above
Question. 1 + cot²2θ/2 =
  1. sec²θ
  2. csc²θ
  3. csc²2θ
  4. sec²θ/2