Southern Province 10 ශ්‍රේණිය ගණිතය 3 වාර පරීක්ෂණය 2022

VAT payable on a monthly value at a given rate

Convert a logarithm statement to index form

Unknown angle in an isosceles triangle

Factorise a difference of two squares

Radius of a quarter-circle sector from its perimeter

Unknown angle using parallel lines and triangle angle sum

LCM of two algebraic terms

Draw two different rectangular faces of a triangular prism

First approximation of a square root from given squares

Distance between parallel sides from a parallelogram's area

Customs duty percentage from cost before and after duty

Paper needed to cover the curved surface of a cylinder

Angle in a circle using a diameter

Number in a set from Venn diagram counts

Count of one group from a probability

Decide whether two right triangles are congruent and why

Subtract algebraic fractions with unlike denominators

Equation of a line parallel to a given line through a point

Angles at the centre and on the circle

Use simultaneous equations to find a sum without solving fully

Rhombus perimeter from its diagonals

Write a quadratic equation from its roots in factor form

Volume of a ball from water displacement in a cylinder

Locate a point on a side equidistant from two lines

Extra workers needed to finish a job sooner

Fractions of a journey by different modes; find the total distance

Arc length and perimeter of a rectangle with a semicircle removed

Area of the shaded part; draw a rectangle of equal area

Complete a pie-chart table, apply a ratio, redraw the chart

Income tax from a slab table; reverse income; monthly tax change

Sample space grid and tree diagram for a spinner and a die

Graph a quadratic; maximum, symmetry axis, range and a root estimate

Simple-interest rate from repayment; property value from annual rates

Form and solve simultaneous equations from book and pen prices

Solve an equation with algebraic fractions

Modal class and mean from grouped marks; justify a bound

Scale diagram from an angle of depression; find an elevation

Form and solve a quadratic from a rectangle area

Multiples of three in a range as an AP: terms and sum

Construct a triangle, a locus point, a perpendicular and a circle

Prove opposite sides of a parallelogram equal via congruence

Parallelogram with an angle bisector and a parallel line; prove relations

Cylinder recast into a triangular prism; find its length

Evaluate an expression using log tables

Angles in a circle with a diameter and parallel chord; prove a relation

Venn diagram word problem with a changed condition