A boy can swim a certain distance downstream in 3 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still water?
Let the speed of the boy in still water be x kmph. Then, (x + 4) × 3 = (x – 4) × 7 => 3x + 12 = 7x - 28 => 4x = 40 => x = 10 kmph
Suppose that the (inverse) market demand for good A is given by P = 400 - 2Q Where Q is total industry output. There are two firms that produce A. Ea...
Balance of Trade is measured as:
Calculate the F-statistic , given the unrestricted R2 value is 0.60. Number of restricted parameters are 7 and total number of observations a...
Suppose your data produces the regression result y = 10 +3x. Scale y by multiplying observations by 0.9 and do not scale x. The new intercept and slope ...
GDPf = Gross Domestic Product at Factor Cost; GDPm = Gross Domestic Product at Market Price; NNPf = Net National Product at Factor Cost; C = Consumptio...
The foreign capital investment in India on the eve of independence concentrated on the following sectors of the economy
(i) railways
...
Demand curve of a Monopoly firm is Q=1000-50P and the Total cost of production is TC = 50+2Q. Profit maximizing output for the firm is
Suppose that a firm has the cost function for a plant as given below
C(w, r, q) = 0.5q(w+r)
where q is output, w is the cost of labour l a...
If the R2 value for a regression line is 0.60 for 50 observations. What is the adjusted Rsquare value if the number of independent variabl...
Suppose your data produces the regression result y = 10 +3x. Scale y by multiplying observations by 0.9 and do not scale x. The new intercept and slope ...
