প্রশ্ন ও উত্তর
One copy machine can make 20 copies a minute , and a second copy machine makes 15 copies a minute. If the two copiers work together, how long would it take them to make 2100 copies?
06 Apr, 2025
প্রশ্ন One copy machine can make 20 copies a minute , and a second copy machine makes 15 copies a minute. If the two copiers work together, how long would it take them to make 2100 copies?
সঠিক উত্তর
60 minutes
মন্তব্য
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