Paper I Part A Q1 · 2 marks
PercentagesAnnual income tax above a tax-free threshold
🔒 Answer & steps: try it free in Gedara Sir→10 ශ්රේණිය ගණිතය 3 වාර පරීක්ෂණය 2018 · පිළිතුරු සමඟ
Western Province, Grade 10 Mathematics, term 3, 2018. All 42 questions, with what each one tests. Try any of them free in Gedara Sir to check your answer, with step-by-step working in English and Sinhala.
Annual income tax above a tax-free threshold
🔒 Answer & steps: try it free in Gedara Sir→Add algebraic fractions with unlike denominators
🔒 Answer & steps: try it free in Gedara Sir→Write a shaded Venn region in set notation
🔒 Answer & steps: try it free in Gedara Sir→Convert an index statement to logarithm form
🔒 Answer & steps: try it free in Gedara Sir→Base angle of an isosceles triangle from the angle sum
🔒 Answer & steps: try it free in Gedara Sir→Solve a simple linear equation with a fraction
🔒 Answer & steps: try it free in Gedara Sir→Angles in a circle using the semicircle and same-segment properties
🔒 Answer & steps: try it free in Gedara Sir→Average speed from distance and a mixed-number time
🔒 Answer & steps: try it free in Gedara Sir→LCM of two algebraic terms
🔒 Answer & steps: try it free in Gedara Sir→Name an angle pair needed for congruence by a given case
🔒 Answer & steps: try it free in Gedara Sir→Curved surface area of a cylinder
🔒 Answer & steps: try it free in Gedara Sir→Side and angle using properties of two parallelograms
🔒 Answer & steps: try it free in Gedara Sir→Identify which data sets are continuous
🔒 Answer & steps: try it free in Gedara Sir→Probability of a union of non-exclusive events
🔒 Answer & steps: try it free in Gedara Sir→Volume of a triangular prism
🔒 Answer & steps: try it free in Gedara Sir→Gradient and intercept of a line through two points
🔒 Answer & steps: try it free in Gedara Sir→First approximation of a square root
🔒 Answer & steps: try it free in Gedara Sir→Interior angle using an exterior angle of a triangle
🔒 Answer & steps: try it free in Gedara Sir→Factorise a trinomial quadratic expression
🔒 Answer & steps: try it free in Gedara Sir→Angle using the semicircle angle and an isosceles triangle
🔒 Answer & steps: try it free in Gedara Sir→Days food lasts when the number of people changes
🔒 Answer & steps: try it free in Gedara Sir→Triangle area as half a parallelogram on a diagonal
🔒 Answer & steps: try it free in Gedara Sir→Radius of a quarter-circle sector from perimeter and arc
🔒 Answer & steps: try it free in Gedara Sir→Solve a linear inequality
🔒 Answer & steps: try it free in Gedara Sir→Locate a point equidistant from two points on a given line
🔒 Answer & steps: try it free in Gedara Sir→Successive fractions of a tank's water; find the capacity
🔒 Answer & steps: try it free in Gedara Sir→Areas of square and semicircle parts of a grille; lengths of bars
🔒 Answer & steps: try it free in Gedara Sir→Man-days work problem with wages; annual rates on property value
🔒 Answer & steps: try it free in Gedara Sir→Convert a bar chart to a pie chart; sector angles and ratio
🔒 Answer & steps: try it free in Gedara Sir→Sample space on a grid for two spinners; complete a tree diagram
🔒 Answer & steps: try it free in Gedara Sir→Graph of a quadratic: minimum, roots, increasing range, shifted equation
🔒 Answer & steps: try it free in Gedara Sir→Compare simple-interest earnings with loan interest to decide repayment
🔒 Answer & steps: try it free in Gedara Sir→Change the subject of a root formula; simultaneous equations from prices
🔒 Answer & steps: try it free in Gedara Sir→Expand a binomial square; quadratic from a parallelogram's area
🔒 Answer & steps: try it free in Gedara Sir→Modal class and mean from grouped data; estimate a future total
🔒 Answer & steps: try it free in Gedara Sir→Scale diagram with elevation angles; tank volume and filling time
🔒 Answer & steps: try it free in Gedara Sir→Arithmetic progression from its nth term: terms, difference, position, sum
🔒 Answer & steps: try it free in Gedara Sir→Construct a rhombus, a parallel line, bisectors and a circle
🔒 Answer & steps: try it free in Gedara Sir→Prove lines parallel using angles in a circle and isosceles triangles
🔒 Answer & steps: try it free in Gedara Sir→Parallelogram properties; congruent triangles; prove an inner parallelogram
🔒 Answer & steps: try it free in Gedara Sir→Prism immersed in a cylinder: derive a formula, evaluate with logs
🔒 Answer & steps: try it free in Gedara Sir→Set size formula; Venn diagram word problem with set notation
🔒 Answer & steps: try it free in Gedara Sir→