MCQ Practice Math 📖 A cistern is normally filled with eater in 10 hours but takes 5 hours longer to fill because of a leak in its bottom . If... Favorite Practice Add to Book Explanation & Answer Detailed explanations and answers are restricted. Unlock full access by logging in to your account. 🔒 Unlock the detailed explanation and answers Log In / Sign Up This question appeared in JBL RBL Officer Question Bank 2019 Question 74 PreviousThe average age of the 20 aspirants of a class is 19.2 years. After some time two more aspirants join them and then avera... NextP and Q start a hotel . P left after 6 months. After the year ends, P gets Tk. 6000 as profit out of total profit of TK. ...