In June a baseball team that played 60 games had won 30% of its games played. After a phenomenal winning streak this team raised its average to 50%. How many games must the team have won in a row to attain this average?
প্রশ্নের উত্তর/ ব্যাখ্যা ভুল থাকলে সঠিক উত্তর বা ব্যাখ্যা দিয়ে জিতে নিন পুরষ্কার।