Mathematics · Average
R क्रमशः पहले घंटे, दूसरे घंटे और इसी तरह आगे भी 10 घंटे तक 10 किमी/घंटा, 9 किमी/घंटा, ..., 1 किमी/घंटा की गति से दौड़ता है। उसकी औसत गति _______ किमी/घंटा है।
- 15.5✓
- 26.0
- 35.0
- 44.5
सही उत्तर देखें
5.5
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