IGCSE Mathematics (0980) — October–November 2024, Paper 21
23 questions · every question answerable online with instant point-by-point AI marking against the official mark scheme.
Start with Question 1 →A concert starts at 19 50 and finishes 2 hours 42 minutes later. Work out the time the concert finishes.
Answer this question and get it marked →Use one of the symbols <, or = to make each statement true: 2/7 ......... 0.2861 ; 99/900 ......... 11% ; 1^3 ......... 4^0
Answer this question and get it marked →Safia has a piece of fabric of length 5.6 m. She cuts the fabric into two parts, with lengths in the ratio 3 : 4. Calculate the length of the longer part.
Answer this question and get it marked →Work out. 3(6, −4) [scalar 3 times the column vector (6, −4)].
Answer this question and get it marked →The diagram shows a right-angled triangle ABC (right angle at A) and a quadrilateral AEDC. PQR... angles 17° (at C), 122° (at E), 34° (at B), with angles x°, y° and z° to find.…
Answer this question and get it marked →Edith invests $3000 in a savings account. The account pays simple interest at a rate of 2.6% per year. Calculate the total interest earned at the end of 3 years.
Answer this question and get it marked →The diagram shows part of a regular polygon. The interior angle is (x + 132)° and the exterior angle is x°, with the interior angle 132° larger than the exterior angle. Calculate…
Answer this question and get it marked →Jacinda plays a game; she can win, lose or draw. The probability she wins is 0.28. She is twice as likely to draw as to lose. Work out the probability that she loses the game.
Answer this question and get it marked →Without using a calculator, work out 5 1/3 − 3 4/7. You must show all your working and give your answer as a mixed number in its simplest form.
Answer this question and get it marked →Solve the simultaneous equations. You must show all your working. 5x + 6y = 9 ; 3x − 2y = −17
Answer this question and get it marked →A sequence has nth term 3n² − 1. Find the second term in this sequence.
Answer this question and get it marked →Two solid steel statues are mathematically similar. The smaller statue has height 12 cm and the larger statue has height 15 cm. The larger statue has mass 2.5 kg. The density of…
Answer this question and get it marked →Students in class P take a test. Statistics about their marks: lowest quartile (lower quartile) = 38, median = 53, interquartile range = 28, range = 81, highest mark = 96. Draw a…
Answer this question and get it marked →The diagram shows a sphere of radius 6 cm and a cylinder of height 18 cm and radius R cm. The volume of the sphere equals the volume of the cylinder. Calculate the curved surface…
Answer this question and get it marked →Solve 3x² − 7x − 16 = 0. You must show all your working and give your answers correct to 2 decimal places.
Answer this question and get it marked →g(x) = 4^(x + 3). Find x when g(x) = 1.
Answer this question and get it marked →ℰ = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}. P = {odd numbers}, Q = {multiples of 3}, R = {square numbers}. Find P ∩ Q ∩ R.
Answer this question and get it marked →The diagram shows two right-angled triangles PQS and RQT. PQR and QTS are straight lines. PS = 18 cm, angle SPQ = 28°, ST = 4 cm (so QT = QS − 4), and QR = 9 cm. Calculate angle…
Answer this question and get it marked →Solve the equation 3 tan x + 5 = 1 for 0° ≤ x ≤ 360°.
Answer this question and get it marked →The graph of y = (x + 2)(x − 1)² is shown on the grid. Show that y = (x + 2)(x − 1)² can be written as y = x³ − 3x + 2.
Answer this question and get it marked →(x − 5)² + k = x² − px − 21. Find the value of p and the value of k.
Answer this question and get it marked →← October–November 2024 Paper 31 · October–November 2024 Paper 11 →