# 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 number G is said to be geometric mean between two numbers a and b if a,G,b is a sequence A.P not a sequence G.P `````` Question. A number H is said to be harmonic mean between two numbers a and b if a,H,b is H.P A.P G.P harmonic mean `````` Question. A radian is measure of central angle of an arc of a circle whose length is equal to the half of radius of the circle diameter of circle radius of the circle one-third of radius of the circle `````` Question. A relation in which equality is true only for a number of unknowns is called an identity equation algebric equation algebric relation `````` Question. A right angle is angle of measure 90″ 90′ 60° 90° ```
``` Question. A semi group is always a A group commutative group a non abelian group groupoid `````` Question. A sequence in which any term − its immediate previous term gives a constant is called geometric sequences arithmetic sequences harmonic sequences complex sequences `````` Question. A sequence in which any term divided by its immediate previous term gives a constant is called geometric sequences arithmetic sequences real sequence complex sequences `````` Question. A sequence in which any term divided by its immediate previous term is called arithmetic mean geometric mean common ratio common difference `````` Question. A sequence of numbers whose reciprocals form an arithmetic sequence is called the arithmetic sequence geometric sequence harmonic sequence complex sequence ```
``` Question. A subset f of A x B is said to be a function from A to B if domain of f is A and first element of order pairs of f do not repeat do not exist repeat the members of B `````` Question. A subset of A x A is called a relation from A to B Relation from B to A Relation in A relation in B `````` Question. A subset of B x A is called a relation from A to B Relation from B to A Relation in A relation in B ```