Bank Preparation
Bank Math
ব্যাংক নিয়োগ
Combined Bank
Combined 5 Bank (Cash Officer- 06.11.2021)
Time and Speed - Train and Boat
Combined 5 Bank (Cash Officer- 06.11.2021)
A motorboat, whose speed is 15 km/hr in still water goes 30 km downstream and comes back in a total of 4 hours 30 minutes. The speed of the stream (in km/hr) is :
বিকল্পসমূহ (নিজের উত্তর যাচাই করতে ক্লিক করুন):
সঠিক উত্তর
1 (5 km/hr)
