The diameter of a garden roller is 1.4 m and it is 2 m long. How much area will it cover in 5 revolutions ? (use π = 22⁄7)
Choose the correct choice from the following answers
A) 40 m 2 B) 44 m 2 C) 48 m 2 D) 36 m 2 E) none of these

Rationale: "required area covered in 5 revolutions = 5 × 2 π rh = 5 × 2 × 22 ⁄ 7 × 0.7 × 2 = 44 m 2 answer b"
Answer: B