# MCQs4All - Mathematics Collection

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

``` Question. " + " is binary operation on R not a binary operation on R a binary operation in Qc not a binary operation in E `````` Question. (22 1/2)° = π/2 radians π/4 radians π/8 radians 180π radians `````` Question. (A ∪ B) ∪ C = A ∩ (B ∪ C ) A ∪ (B ∪ C ) π A ∪ (B ∪ C ) `````` Question. (A n B) n C = A n (B n C ) A ∪ (B ∪ C ) π A ∪ (B ∪ C ) `````` Question. (cos(x)-cos3x)/(sin3x-sin(x)) = cot2x tan2x csc2x sec2x ```
``` Question. (n+1)n(n-1)/3.2.1 = (n+1)ι 3ι(n-2)ι/(n+1)ι (n+1)ι/3ι(n-2)ι (n-2)ι `````` Question. (n+2)(n+1)n = nι (n+2)ι (n-1)ι/(n+2)ι (n+2)ι/(n-1)ι `````` Question. (secθ-tanθ)² = 1 + sinθ/1 - sinθ (1 - sinθ)/(1 + sinθ) (1 - cosθ)/(1+cosθ) cscθ `````` Question. (x+2)² = x² + 4x + 4 is a linear equation cubic equation an identity an euation `````` Question. * is said to be commutative in A for all a,b ε A a + b = b + a a * b = b * a a - b = b - a a * b ≠ b * a ```
``` Question. [ 0 0 0 ] is Scaler matrix diagonal matrix identity matrix null matrix `````` Question. [ a b c ] is a zero matrix diagonal matrix column matrix row matrix `````` Question. { - 3 n : n ε Z } IS an abelian group under subtraction division multiplication addition ```