Question
A boat running downstream covers a distance of 32 km in
2 hrs while it covers the same distance upstream in 4 hrs. Then speed of the boat in still water isSolution
Let the speed of boat in still water be a km/hr and that of stream be b km/hr. Therefore, 32/(a + b)= 2 ⇒ a + b = 16 ………..(i) 32/(a – b)= 4 ⇒ a + b = 8 ………..(ii) On adding, eq (i) and (ii) ⇒ 2a = 24 km/hr ⇒ a = 12 km/hr
More Boats and streams Questions
Select the correct Antonym of the given word.
rebuke
- Select the most appropriate synonym of the bold word.
The speaker's candid response surprised the entire audience.
... - Identify the most appropriate antonym of the given word.
Hostile Dogmatic
Sonali said to me, “Can you do these paintings for Vidhya?”
Each one of us is in the __________ of happiness.
India is set to play a _________ role in the advancement of technology.
Shifting to his ...
The company had to curtail its expenses to avoid bankruptcy.
Apostate
All of us in today’s world are wanting to be _________ by the society.
“_________ it or leave “,said the boss in an aggressive ...
Identical
