Question
A boat covers a distance of 900 metres upstream in 36
seconds and the same distance downstream in 24 seconds. Find the speed of the boat in still water.Solution
ATQ,
Speed of boat in upstream = (900 / 36) = 25 m/s
Speed of boat in downstream = (900 / 24) = 37.5 m/s
Speed of the boat in still water = [(25 + 37.5) / 2] = 31.25 m/s
When AR is constant, MR is
Concept of 'Consumer's Surplus' was evolved by
Who introduced the concept of elasticity of demand?
Shifts in demand curve as shown in the figure below represents
A movement along a demand curve indicates that a different quantity is being demanded
This movement is due to
OPEC is an example of
When price elasticity of demand is unity, the total expenditure:
The increasing returns to scale occurs. because larger scale provides greater specialization to various factors" is a statement given by
Pricing decision includes
The positive cross elasticity of demand between two products means the two products
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