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)
A22
B9.5
C10
D8
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ഒരു ബോട്ട് Aയിൽ നിന്ന് Bയിലേക്കും തിരിച്ചും 4 മണിക്കൂർ കൊണ്ട് എത്തുന്നു. നിശ്ചലജലത്തിൽ ബോട്ടിന്റെ വേഗം 8 km/hr. ഒഴുക്കിന്റെ വേഗം 2 km/hr ആണെങ്കിൽ Aയിൽ നിന്ന് Bയിലേക്കുള്ള ദൂരം എത്ര?