প্রশ্ন ও উত্তর
Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?
গণিত Time and Work 07 Oct, 2020
প্রশ্ন Nazir can wash his car 15 minures while his son takes twice as long. If they work together how many minutes will the job take them?
সঠিক উত্তর
10
মন্তব্য
Authentication required
You must log in to post an answer.
Log in