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ব্যাংক নিয়োগ
AB Bank Limited PLC
AB Bank Ltd (Assistant Officer 10-01-2014)
Time and Speed - Train and Boat
AB Bank Ltd (Assistant Officer 10-01-2014)
A ferry, when empty , travels twice as fast as when it is full. It travels 20 miles south with a cargo, spends 30 minutes for unloading , and returns to its original port empty in a total of 8 hours , what is the speed of the ferry when it is empty?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
ক (8 mph)
