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Let total amount of work be 34 units (LCM of 17 and 34). Efficiency of ‘A’ = 34/17 = 2 units/day Efficiency of ‘B’ = 34/34 = 1 units/day Amount of work done by ‘A’ and ‘B’ together in 4 days = (2 + 1) × 4 = 12 units Time taken by B to complete remaining work = {(34 – 12)/1} = 22 days
A researcher has to consult a recently published book. The probability of it being available is 0.5 for library A and 0.7 for library B. Assum...
If a constant 60 is subtracted from each of the values of X and Y, then the regression coefficient is
Consider two independent random variables: X~N(5, 4) and Y~N(3, 2). If  (2X + 3Y)~N(μ, σ2), then the values of mean (μ) and variance (�...
Guess an even integer between 1 and 100 that is closest to 1/2 of the mean of the guesses, what will be the equilibrium in that case?
 If a Cobb-Douglas production is Q = K0.4 L0.6 the function is
Suppose the money supply in Mexico grows more quickly than the money supply in the USA. We would expect that
Refer to the below table and calculate the net value added at market price
Offer curve introduced by Alfred Marshall deals with :
If the marginal propensity to save is 0.3 and the marginal propensity to import is 0.1, and the government increases expenditures by Rs. 10 billion, ign...
The Comparative advantage theory was first developed by: