Question
A pipe can fill a tank in 10 hours, while another pipe
can empty it in 15 hours. If both pipes are opened simultaneously, in how many hours will the tank be full?Solution
ATQ, Filling pipe's rate = 1/10 Emptying pipe's rate = 1/15 Net filling rate = 1/10 - 1/15 = 1/30 The tank will be full in 30 hours.
Employing a lawyer to draft and enforce a private contract between parties wishing to solve an externality problem is an example of a(n) ______________cost
The correlation coefficient between X and -X is:
In classical linear regression model if we add in 90 in X and Y observation and re-estimate the regression model then slope coefficient
Which of the following four-firm concentration ratios is most consistent with monopolistic competition?
Under a fixed exchange rate system with perfect capital mobility, what happens when the government increases its spending?
What is the dual problem for given linear programming problem?
Z = Max (4x1 + 5x2 + 7x3)
s.t. 3x1 + x2 + 6x3Â <= 3
x1 + 2x2 + x...
 The wealth distribution in a certain country is described by following Lorenz Function
             F(x) = 3x6 where ...
IPO of which government owned company is scheduled in this year FY 22?
The median is considered a better measure of central tendency than the mean when: