Western Province 10 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2020

Days a food stock lasts for more people

Choose the other term given an LCM and one term

Shade the complement of an intersection on a Venn diagram

Add algebraic fractions with unlike denominators

Angle from an exterior angle and a given angle sum

Complete index and logarithm forms of a power of two

Consecutive perfect squares around a number from its root estimate

Solve an equation with the unknown in a denominator

Angle in a triangle cut by a line parallel to the base

Probability of one colour with equal numbers of three colours

Total surface area of a cube

Factorise a trinomial quadratic expression

Base angle of an isosceles triangle formed by two radii

Arc length of a semicircle from its perimeter

True or false: parallelogram sides, rhombus diagonals

Mean of three masses

Average speed from a distance-time graph

Angle using an isosceles triangle between parallel lines

Angles at the centre and circumference with radii

Gradient of a line from its two intercepts

Water height in a half-filled cylinder from volume and base area

Name congruent triangles formed by a perpendicular from the centre

Solve a linear inequality with a negative fractional coefficient

Import value from the customs duty amount

Point on a semicircle equidistant from two perpendicular lines

Fractions of water used; find capacity and amount used

Quarterly rates on an assessed value; rate percentage; early-payment discount

Days needed when fewer workers do the same job

Sector stage beside a pool: arc, perimeter, area, equal rectangle

Pie-chart angles from a frequency table, then draw the chart

Grid and tree diagram for two draws with replacement

Simplify mixed numbers with 'of' and division

Marked price after customs duty and a profit percentage

Graph y = 3 - x²: maximum, roots, increasing range, shifted graph

Factorise, LCM of quadratic expressions, subtract algebraic fractions

Solve a pair of simultaneous equations

Quadratic equation from a triangle's area; find the height

Scale drawing for a building's height from an angle of elevation

Train length from speed and time to pass a platform

Grouped ages: modal class, mean by assumed mean, percentage over 40

AP from first and twelfth terms: difference, tenth term, sum of six

Construct a right triangle, angle and perpendicular bisectors, a circle

Perpendiculars to a parallelogram's diagonal: congruent triangles, new parallelogram

Angles on an arc, semicircle angle, prove angle at centre is double

Prism melted into a cylinder: height formula, evaluate with log tables

Venn diagram of girls and car travellers; shading; subset case