◈ Oracle PrepSign Up Free
O-LevelMathematicsNumber4024/12 · May/June 2022 · Q133 Marks

Evaluate (√9 × √64)².

  1. (a)Evaluate (√9 × √64)².[2]
  2. (b)Write down an irrational value of n that satisfies this inequality. 4.5 ≤ n ≤ 5.5[1]

Mark scheme

Marking points from the official mark scheme (May/June 2022). The mark or mark type is shown in brackets.

  1. [2] (a) 144 B1 for (3 × 4)² or 3² × 4² or better
  2. [1] (b) Irrational number in range 4.5 ≤ n ≤ 5.5

Write your answer and get it marked

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 →

About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 3 marks.
Source
O-Level Mathematics, May/June 2022 Paper 1 Variant 2, question 13.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Mathematics questions

NumberMay/June 20141m

Aadil catches the 0932 from Aytown to Deetown. How long does his journey take? [Table for bus times in Q10(b)]

NumberMay/June 20141m

Find an integer r such that r > 5 and 5r – 1 is a square number.

NumberMay/June 20141m

Find the value of s which makes 8s + 2 a prime number.

Algebra and graphsMay/June 20141m

Write down all the integers that satisfy the inequality -4 ≤ 2x < 4.

Algebra and graphsMay/June 20141m

Make a the subject of the formula y = (a-4)/(3-a).

Algebra and graphsMay/June 20141m

Here are the first four terms of a sequence: 7, 11, 15, 19. Write down an expression, in terms of n, for the nth term…

← Browse all past-paper questions

© 2026 Oracle Prep