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Let the speed of boat in still water =B and speed of stream =S then Given – B=10km/h, S=4km/h Speed of boat in downstream =B+S=10+4=14 B+S=14 … (1) Speed of boat in upstream =B-S=10-4=6 B-S=6 … (2) Average speed = (14×6)/14+6 =84/20=4.2km/h now the distance of the destination from the starting place is. =10×4.2 =42km.
Which of the following is the first hybrid of sunflower released in India?
Which of the following is not a measure of dispersion?
Who is known as Father of White Revolution?
What is the reason for “bitch scorch” in turf?
Which fruit among the options is affected by the physiological disorder known as Cock's comb?
Person-to-person interaction between a retailer and a prospective customer is called:
Match List I with List II
Most expensive spice in the world is
Ergot is an important disease of:
Cultivated wheat in India belongs to: