Sarah is thinking of a number.
She says,
“My number is even. It is a factor of 30 and a multiple of 10”
There are two possible numbers Sarah can be thinking of.
List all the factors of 30.
Use your list to write down the two possible numbers Sarah can be thinking of.
246 exam-style questions on OCR GCSE Maths Factors and Multiples. Each one has a worked solution and a mark scheme showing where the marks go.