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A. 45 to 48
B. 48 to 50
C. 50 to 53
D. 56 to 59

Submitted by: Naveed Tahir

The International Tennis Federation (ITF) defines the official diameter as 6.54–6.86 cm (2.57–2.70 inches). Balls must have masses in the range 56.0–59.4 g (1.98–2.10 ounces).

Correct Answer: 56 to 59

Last Updated: July 09, 2021