O/L Maths 2018 Paper with Answers

Days for fewer men to finish double the work

Factorise a trinomial with leading coefficient 2

Unknown angle from the triangle angle sum

Perimeter of a square joined to a quarter-circle sector

Subtract two algebraic fractions with denominators x and 2x

Angle using two isosceles triangles and an exterior angle

Read a logarithm from an index statement

Cylinder height from its curved surface area

Angle between chords using angles in the same segment

Solve a difference-of-squares quadratic equation

Flow rate of a pipe filling a tank

Complete statements about parallelogram sides and its diagonal halving the area

Probability of a die showing a multiple of 2 or 3

Angle using a semicircle and a cyclic quadrilateral

Income tax from a slab table

Area of a semicircle plus a triangle

Angle from the midpoint theorem in a triangle

Find unknown entries of a product of two 2x2 matrices

Angle using the perpendicular from the centre to a chord

List the union of two complements from a Venn diagram

Seventh term of a geometric progression as a power of 2

Gradient of a line through two points

Number of data from the position of the first quartile

Divide two algebraic fractions

Angle using a cyclic quadrilateral's exterior angle and a parallelogram

Fractions of money shared among wife, brother and sons; find the total

Distance-time graph: stop time, speeds, and a redrawn non-stop journey

Value from customs duty; quarterly rates and a new assessed value

Grid sample space without replacement; tree diagram for two games

Complete a cumulative table, draw the ogive, read and compare the median

Compare simple and compound interest, then invest the total in shares

Rectangle from side sum and diagonal: form and solve a quadratic

Quadratic graph from a table: symmetry, behaviour, vertex form, line intersections

Simultaneous equations for fours and sixes; maximum from an inequality

Water level and immersed cylinders; radius formula evaluated with logs

Mean of a grouped distribution and a profit expectation check

Arithmetic progression of bulbs: nth term, sum formula, sub-progression

Perpendicular bisector, semicircle, angle-bisector locus, tangents from a point

Parallelogram proof by congruence; ratio from equiangular triangles

Angle of elevation from a farther point using tan and sin

Three-subject Venn diagram with a subset; find counts

Tangent, alternate segment and cyclic quadrilateral angle proofs