Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Combined Bank
General Officer (Sonali, Janata, Krishi, Development Bank 24-05-2019)
Pipes & Cisterns
Time & Work, Chain Rule
Officer Cash (Sonali Bank, BD Development Bank , BD Krishi Bank 12-10-2018)
Pipe P can fill and empty tank in 4 hours but pipe Q can completely empty the same tank in 8 hours. But the pipes were opened alternately after every two hours starting with pipe P then in how many hours, the tank was completely filled ?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (10 hours)