মেনু
QB Archive Quiz Creator Graph Poll Mode View Ques Quiz Leaderboard About
থিম নির্বাচন

আপনার পছন্দের থিম বেছে নিন।

Download Address Academy - Best Offline Education App

A tap can fill the tank in 15 minutes and another can empty it in 8 minutes. If the tank is already half-full and both the taps are opened together, how many minutes will the tank take to be emptied

A. 8
B. 12
C. 16
D. None of these
Poster Download
Join Telegram
সঠিক উত্তরঃ A. 8
Explanation: