നിശ്ചല ജലത്തിൽ ഒരു ബോട്ടിന്റെ വേഗം മണിക്കൂറിൽ 7 കി.മീറ്ററും ഒഴുക്കു വെള്ള ത്തിൻ്റെ വേഗം മണിക്കൂറിൽ 3 കി.മീറ്ററും ആയാൽ ഒഴുക്കിന് അനുകൂലമായി ബോട്ടിൻ്റെ വേഗത എന്ത്?
A15 km / h
B13 km / h
C10 km / h
D8 km / h
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The speeds of two boats A and B in still water are 25 km/hr and 30 km/hr respectively. The boats are 165 km apart. If both begins moving toward each other, A going downstream while B upstream, then in how many hours they will meet?
A boat goes at a speed of 30 kmph in still water. What time does it take to travel 50 kms upstream and then 70 kms downstream in water of speed 5 kmph?
Speed of a speed-boat when moving in the direction parallel to the direction of the current is 16 km/hr. Speed of the current is 3 km/hr. So the speed of the boat against the current will be (in km/hr)
The upstream speed of the boat is 40 km/hr and the speed of the boat in still water is 55 km/hr. What is the downstream speed of the boat?
A man swims downstream a distance of 15 km in 1 hour. If the speed of the current is 5 km/hour, the time taken by the man to swim the same distance upstream is