Question
The time taken by a boat to
travel 'd' kilometers downstream is 8 hours, while the time taken to travel (d - 60) kilometers upstream is 10 hours. The speed of the current is equal to one-fifth of the boat's speed in downstream conditions. Determine the speed of the boat in still water.Solution
ATQ, Let the speed of the boat in still water be 'U' km/hr and the speed of the current be 'V' km/hr (U + V)/5 = V (U + V)/V = 5/1 U + V = 5p V = p U = 5p – p = 4p km/hr U – V = 4p – p = 3p km/hr 5p × 8 – 3p × 10 = 60 40p – 30p = 60 10p = 60 p = 6 km/hr Speed of the boat in still water = 4 × 6 = 24 km/hr
Palmitic and oleic acids are prominent fatty acids in insects and comprise:
Total head of pipeline represent as   Â
Breeding value  of an individual is
Curled toe disease in poultry is caused by the deficiency of which vitamin?
What percentage of fat does sorghum grain contain?
The committee which recommended the merger of RB with sponsoring bank.
What is the term for the process of introducing young fish or shrimp into an aquaculture system?
Highest SNF content is found in which animal milk?
Guava pest which deposit eggs on soft skin of ripening fruit, on hatching maggot bore into fruit and feed on the soft pulp, the infested show depression...
How much time is taken for rearing of prawn?
Relevant for Exams:
