What is the average of 10, 20 and 30 — select the correct answer.
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✅ Correct answer: C. 20
(10 + 20 + 30) ÷ 3 = 20.
10 random questions, instant feedback, earn XP.
Tap an option to check your answer.
✅ Correct answer: C. 20
(10 + 20 + 30) ÷ 3 = 20.
10 random questions, instant feedback, earn XP.