On Oracle Prep you can write or photograph your own answer and have it marked by AI against this mark scheme, with feedback on what you missed.
Sign up free →Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content
Find an integer r such that r > 5 and 5r – 1 is a square number.
Find the value of s which makes 8s + 2 a prime number.
Write down an irrational number between 7 and 8.
Tasnim records the temperature, in °C, at 6 a.m. every day for 10 days. -6 -3 0 -2 1 -7 -5 2 -1 -3
The cost of a mirror is directly proportional to the square of its width. A mirror of width 40 cm costs $24. Work out…
A café sells hot drinks. On Monday it sells 80 teas, 60 coffees and 40 hot chocolates. On Tuesday it sells 70 teas, 9…