Bank Preparation
Bank Math
ব্যাংক নিয়োগ
IFIC Bank Ltd
IFIC Bank Ltd (Trainee Asst. Officer 09-02-2018)
Time and Speed - Train and Boat
A certain river has a current of 4 miles per hour. A boat takes twice as long to travel upstream between two points as it does to travel downstream between the same two points . What is the speed of the boat in still water?
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
2 (12 miles per hour)