A cylinder has a diameter of 14 cm and a height of 10 cm.

Work out the volume of the cylinder. Give your answer correct to 1 decimal place.
The volume of another cylinder is 7500 cm2^22. David says that 7500 cm2 ^2\,2 is the same as 75 m2^22.
Is David correct? You must give a reason for your answer.
Practise OCR GCSE Maths Cylinders with exam-style questions for Foundation and Higher tier. 98 questions, matched to the OCR GCSE Maths (J560) specification and written in the written papers style. Every question includes a full worked solution and mark scheme, so you can see where marks are awarded rather than just whether you got the answer right.