MCQ Bank
Which of the following is the correct option for the equation \frac{{dy}}{{dt}} + \,( - 1)y = \,6file:///C:/Users/MUHAMM~1.SHA/AppData/Local/Temp/ksohtml5460/wps12.jpgusing phase diagram?
- A) The inter temporal equilibrium will be convergent
- B) It can be solved with the Bernoulli equation method
- C) The inter temporal equilibrium will be unaffected
- D) The inter temporal equilibrium will be divergent
Which of the following is the correct option for the dynamic stability of the time-path of i(t) = [i(0) - (\frac{{\alpha + \gamma }}{{\beta + \delta }})]{e^{\frac{{\beta + \delta }}{{\rho - \sigma }}t}}{\mkern 1mu} + \frac{{\alpha + \gamma }}{{\beta + \delta }}
- A) None of the given options
- B) The complimentary function will not converge to particular solution
- C) The particular function will converge to complementary solution
- D) The complementary function will converge to particular solution
Which of the following is the correct option for the marginal product of labor and capital, MPk= 5L and MPL= 1.2 LK ; assuming it is on an Iso-quant (dQ=0) ?
- A) It is the general solution of the second order homogeneous differential equation
- B) If it is exact differential equation, it will be solved in four steps
- C) It is the definite solution of the first order homogeneous differential equation
- D) If it is inexact differential equation, it will be solved in four steps
Which of the following is the incorrect option for the equation, \,\frac{{dy}}{{dt}} + \,\frac{\alpha }{\beta }Y = \,\frac{{{M_s}}}{\beta } ?
- A) It is first order second degree differential equation
- B) The equation cannot be resolved using differential equation method
- C) It is first order first degree differential equation
- D) It is a modified form of elasticity of money demand and money supply
Which of the following is the correct option for equation \frac{{dy}}{{dt}} + \,2ty = 4t ?
- A) It is the general solution of the first order non homogeneous differential equation
- B) It is the definite solution of the first order homogeneous differential equation
- C) It is the first order non homogeneous differential equation with variable coefficient term
- D) All of the given options
Which of the following is the correct option for the \frac{{dy}}{{dt}} + \,Ry = \,T{y^m} assuming m<1?
- A) All of the given options
- B) It is a non linear differential equation where Ym causes non linearity
- C) It is a linear differential equation of first order
- D) It is a non linear differential equation where Ry causes non linearity
Which of the following is the incorrect option for equation if value of file:///C:/Users/MUHAMM~1.SHA/AppData/Local/Temp/ksohtml1148/wps5.jpg is negative Y(t) = [Y(0) - (\frac{\alpha }{{1 - \beta + \tau \beta - \delta }})]{e^{\frac{{1 - \beta + \tau \beta - \delta }}{\gamma }t}}\, + \frac{\alpha }{{1 - \beta + \tau \beta - \delta }} ?
- A) All of the given options
- B) There will be convergence towards complementary solution
- C) There will be no convergence towards particular solution
- D) There will be divergence from the particular solution
Which of the following is the incorrect option for the equation, \(\frac{{dy}}{{dt}} + \,u(t).y = 0\) ?
- A) The equation will have no definite solution
- B) It is first order first degree non homogeneous differential equation
- C) It is first order differential equation with general solution
- D) All of the given options
Which of the following is the correct option for the capital function, K(t)= 100(2t+4)2 ?
- A) It represents the time path of the capital stock over time
- B) It is definite solution of linear first order differential equation
- C) It is definite solution of non linear differential equation
- D) It represents the time path of the GDP over time
Which of the following is the incorrect option for the money market equation, \(\alpha Y\, + \,\beta \frac{{dy}}{{dt}} = \,{M_s}\) ?
- A) All of the given options
- B) The value of income (Y) will be inversely related money supply (Ms)
- C) The value of money supply (Ms) will be constant
- D) The standard first order differential equation can be used
Which of the following is the correct option for the equation,V(t) = 1000e-0.04t +V(0) ?
- A) It is first order first degree differential equation with definite solution
- B) The equation represent a modified form of elasticity of oil extraction
- C) It is first order differential equation with general solution
- D) It is homogeneous first order differential equation
Which of the following is the correct option for the marginal product of labor and capital, MPk= 3LK and MPL= 5LK ; assuming it is on an Iso-quant (dQ=0) ?
- A) The values cannot be used to apply the exactness test
- B) There will be three steps involved if it is exact differential equation
- C) It is a non linear first order homogeneous differential equation
- D) It is first order non homogeneous differential equation
Which of the following is the correct option for equation \(Y(t) = [Y(0) - (\frac{\alpha }{{1 - \beta - \delta }})]{e^{\frac{{1 - \beta - \delta }}{\gamma }t}}{\mkern 1mu} + \frac{\alpha }{{1 - \beta - \delta }}\) ?
- A) Time path is not involved in the equation
- B) The value of \(\frac{\alpha }{{1 - \beta - \delta }}\) is the particular solution of the equation
- C) The value of \(\frac{\alpha }{{1 - \beta - \delta }}\) = 0 will ensure convergence towards equilibrium value
- D) The value of \(\frac{\alpha }{{1 - \beta - \delta }}\) >0 will ensure convergence towards equilibrium value
Given the equation for rate of consumption \(\frac{{dC}}{{dt}}\) = -4C+10 , Which of the following is the incorrect option?
- A) It is a case of non homogeneous first order differential equation
- B) All of the given options
- C) There is a particular solution to the equation
- D) It is a case of homogeneous first order differential equation
Which of the following is the incorrect option for national income equation \frac{{dy}}{{dt}} + (\frac{{1 - \beta + \tau \beta - \delta }}{{ - \gamma }})Y = - \frac{\alpha }{\gamma } ?
- A) None of the given options
- B) It has only the particular solution
- C) It has both complementary and particular solutions
- D) It is first order differential non homogeneous equation
Which of the following is the correct option for the \({y^{ - m}}\frac{{dy}}{{dt}} + \,R{y^{1 - m}} = \,T\) assuming m>1?
- A) None of the given options
- B) It is first order homogeneous differential equation
- C) If it is inexact differential equation, it will be solved in four steps
- D) It is a non linear differential equation which have been converted from linear equation
Which of the following is the correct option for the equation \frac{{dy}}{{dt}} + \,(3)y = \,5 using phase diagram?
- A) The inter temporal equilibrium will be unaffected
- B) The inter temporal equilibrium will be convergent
- C) It can be solved with the Bernoulli equation method
- D) The inter temporal equilibrium will be divergent
Which of the following is the correct option for the dynamic stability of the time-path of rate of change of population; dN/dt = 0.01 N and N(t) 40000e0.017t ?
- A) The particular function will converge to complementary solution
- B) It is first order homogeneous differential equation
- C) The complementary function will converge to zero
- D) The complimentary function will converge to particular solution
Which of the following is the correct option for the dynamic stability of the time-path of i(t) = [i(0) - (\frac{{\alpha + \gamma }}{{\beta + \delta }})]{e^{\frac{{\beta + \delta }}{{\rho - \sigma }}t}}{\mkern 1mu} + \frac{{\alpha + \gamma }}{{\beta + \delta }} ?
- A) The time path should be equal to the particular solution
- B) The time path should diverge from the particular solution
- C) The time path should converge towards the complementary solution
- D) There is a particular solution to the equation
Which of the following is the correct option for the {y^{ - m}}\frac{{dy}}{{dt}} + \,R{y^{1 - m}} = \,T assuming m>1?
- A) It is first order homogeneous differential equation
- B) None of the given options
- C) If it is inexact differential equation, it will be solved in four steps
- D) It is a non linear differential equation which have been converted from linear equation