Q11Written answer
18 is divisible by both 2 and 3. It is also divisible by 2 × 3 = 6. Similarly, a number is divisible by both 4 and 6. Can we say that the number must also be divisible by 4 × 6 = 24? If not, give an example to justify your answer.
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Worked solution
No, since 12 and 36 are both divisible by 4 and 6. But 12 and 36 are not divisible by 24