Western Province 10 ශ්‍රේණිය ගණිතය 1 වාර පරීක්ෂණය 2019

Days for more men to finish double the work

Factorise a trinomial quadratic expression

Unknown angle from the angle sum of a triangle

Arc length from sector perimeter and radius

Subtract two algebraic fractions

Angle from two isosceles triangles and an exterior angle

Choose the first approximation of a square root

Capacity in litres of a cuboid tank

Exterior angle of a triangle with a right angle

Solve a simple linear equation with a fraction

Fraction of a fraction of a tank

True/false statements on triangles and congruency

Probability of drawing an odd-numbered card

Hypotenuse of a right triangle

Tenth term from a general term

Area of a semicircle

Extra pair needed for SAS congruency

List a complement from a Venn diagram

Time from speed and distance

Gradient of a line through two points

LCM of two algebraic terms

Side from equal angles found via an exterior angle

Smallest integer satisfying a linear inequality

Median of a list of values

Point on a side equidistant from two lines (angle bisector)

Fractions of a fabric roll; total length and item counts

Rectangle plus quarter-circle: areas, arc, perimeter, equal-area triangle

Food for hens: days left as hen numbers change

Pie chart of farmers: counts, angles, and a changed sector

List intersection, union, complements; draw the Venn diagram

Successive profits on shoes; discount on a refrigerator

Table and graph of a linear function; a parallel line

Expand, factorise, LCM, and area of a square as a binomial

Bottles needed for drinks; water height in a container

Two linear equations; simultaneous equations for fruit prices

Grouped bananas data: modal class, mean, income bound

Bulb rings pattern: general term, a term, find n

Construct a triangle, bisectors and a circle

Probabilities for numbered chits including a second draw

Bearing instrument; scale diagram from two bearings

Prove a triangle isosceles and two triangles congruent; perimeter

Circle with a diameter: angles in terms of x; Pythagoras