Royal College, Colombo 07, Examination unit 10 and 11 10 ශ්‍රේණිය ගණිතය 2 වාර පරීක්ෂණය 2024

Customs duty as a percentage of an item's value

Exterior angle of an isosceles triangle gives a base angle

Subtract algebraic fractions with unlike denominators

Shade a set region involving a complement on a Venn diagram

Simplify an expression with indices to positive powers

Factorise a difference of two squares

LCM of three algebraic terms

Change the subject of a formula

Solve a quadratic equation given in factorised form

Journey time at a different speed (inverse proportion)

Name the extra equal pair for an RHS congruence

Radius of a sector from its area and angle

Probability of drawing a red bead

Angle using the perpendicular from the centre to a chord

Gradient and intercept from a line's equation

Age problem solved with a linear equation

Circle angle with parallel chords and angles in the same segment

First approximation of a square root

Value of x minus y by adding two equations

Angle in a semicircle and the remaining angle of the triangle

Perimeter of a square with a sector attached, from arc length

Area of a triangle cut off by a parallelogram's diagonal

Solve a linear inequality and show it on a number line

Days needed when more men join (man-days)

Locus sketch: equidistant from two lines and fixed distance from a point

Fractions of a bookshop's stock, total books and rack cost

Rectangle with a quarter-circle attached: perimeter, area, mass

Man-days for part and whole of a task; time with more men; wages

Complete a pie chart table for vehicles; total fines from a percentage

Sample space and probabilities for toffees; sets of letters with union, intersection

Annual and quarterly rates, effect of a value increase; value before duty

Graph of a quadratic: roots, negative increasing range, vertical shift

Area left around a pool forms a quadratic; solve and find pool area

Simultaneous equations for workers; subtract fractions with a common denominator

Scale diagram from two bearings to find a distance

Mode and mean of a frequency table; monthly bill from the mean

Decreasing arithmetic progression of tube pieces: nth term, test a term, count

Construct a triangle, angle bisector, perpendicular and a circle; justify equal angles

Isosceles theorem; congruent triangles prove a triangle isosceles

Cuboid tank: capacity, fill time, water left and its height

Venn diagram of boys, girls and athletics

Points on a parallelogram's diagonal: equal and parallel segments, equal areas