1385General KnowledgeMedium
As per The International Tennis Federation, what is the weight of a tennis ball in grams?
A45 to 48
B50 to 53
C48 to 50
D56 to 59
Correct answer
D. 56 to 59
Explanation
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).