How do you keep score in tennis?

Question: How do you keep score in tennis?

Options:

15, 30, 40, game
20, 30, 40, game
15, 30, 45, game
30, 45, 60, game

Correct answer:

15, 30, 40, game

Other game answers:
Find the answers to guess the gif, logo quiz 2015, emoji puzzle and emoji nation.
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