- Find the slope of the following isoquant: \[{P_K}K + {P_L}L = E\]
- \(\frac{E}{{{P_K}}}\)
- \(\frac{{{P_L}}}{{{P_K}}}\)
- \( - \frac{E}{{{P_K}}}\)
- \( - \frac{{{P_L}}}{{{P_K}}}\)
- Find the intercept of the following isoquant: \[{P_K}K + {P_L}L = E\]
- \(\frac{E}{{{P_K}}}\)
- \(\frac{{{P_L}}}{{{P_K}}}\)
- \( - \frac{E}{{{P_K}}}\)
- \( - \frac{{{P_L}}}{{{P_K}}}\)
- Find the equilibrium quantity demanded and the equilibrium price for the following supply and demand function: \[\begin{array}{l}{Q_s} = - 5 + 3P\\{Q_d} = 10 - 2P\end{array}\]
- Q = 3 & P = 3
- Q = 4 & P = 4
- Q = 4 & P = 3
- Q = 3 & P = 4
- Suppose there is a simple two sector economy given as followes:
\[\begin{array}{l}Y = C + I\\C = {C_o} + bY\\I = {I_o}\end{array}\]
where,
\({C_o} = 85\)
\(b = 0.9\)
\({I_o} = 55\)
which of the following option is incorrect about the econonomy: - Y = 1400
- MPC = 0.9
- MPS = 0.1
- C = 1400
- Consider the following two sector economy model: \[\begin{array}{l}Y = C + I\\{M_d} = {M_z} + {M_t}\\C = 48 + 0.8Y\\I = 98 - 75i\\{M_s} = 250\\{M_t} = 0.3Y\\{M_z} = 52 - 150i\end{array}\] Find the equilibrium interest rate:
- 0.8
- 0.08
- 8.8
- 8.08
- A person has ₹ 120 to spend on two goods (X,Y) whose respectiue prices are ₹ 3 and ₹ 5. What happens to the original budgel line if the budget falls by 25%?
- The budget line shifts parallel to the left
- The budget line shifts parallel to the right
- The budget line becomes steeper
- The budget line becomes flatter
- What happens to the budget line in the if the price of x doubles?
- The budget line shifts parallel to the right left
- The budget line shifts parallel to the right
- The budget line becomes steeper
- The budget line becomes flatter
- What happens to the budget line in the if the price of Y fall to 43
- The budget line shifts parallel to the right left
- The budget line shifts parallel to the right
- The budget line becomes steeper
- The budget line becomes flatter
- Find the equilibrium national income for the following model: \[\begin{array}{l}Y = C + I\\C = 100 + 0.6Y\\{I_0} = 40\end{array}\]
- 275
- 375
- 250
- 350
- Find the equilibrium national income for the following model: \[\begin{array}{*{20}{l}}{Y = C + I}\\{C = 100 + 0.6Y}\\{{I_0} = 40}\\{{Y_d} = Y - T}\\{T = 50}\end{array}\]
- 275
- 375
- 250
- 350
- Find the equilibrium national income aggregate demand from the following income determination model: \[\begin{array}{*{20}{l}}{Y = C + I}\\{C = 85 + 0.75{Y_d}}\\{{I_0} = 30}\\{{Y_d} = Y - T}\\{T = 20 + 0 \cdot 2Y}\end{array}\]
- 275
- 375
- 250
- 350
- Given the following set of simultaneous equations for two related markets, beef(B) and pork(p), Find the equilibrium quantities \(({Q_B}\,\,\& \,\,{Q_P})\) for each market:
Beef Market: \[\begin{array}{l}{Q_{dB}} = 82 - 3{P_B} + {P_P}\\{Q_{sB}} = - 5 + 15{P_B}\end{array}\] Pork Market: \[\begin{array}{l}{Q_{dP}} = 92 - 2{P_B} + 4{P_P}\\{Q_{sB}} = - 6 + 32{P_P}\end{array}\] - \({Q_B} = 70\,\,\& \,\,{Q_P} = 70\)
- \({Q_B} = 90\,\,\& \,\,{Q_P} = 90\)
- \({Q_B} = 90\,\,\& \,\,{Q_P} = 70\)
- \({Q_B} = 70\,\,\& \,\,{Q_P} = 90\)
- Find the equilibrium quantity for two complementory goods, slacks (s) and jackets (J) for the following model:
Slack Market: \[\begin{array}{l}{Q_{ds}} = 410 - 5{P_s} - 2{P_J}\\{Q_{ss}} = - 60 + 3{P_s}\end{array}\] Jacket Market: \[\begin{array}{l}{Q_{dJ}} = 295 - {P_s} - 3{P_J}\\{Q_{sJ}} = - 120 + 2{P_J}\end{array}\] - \({Q_S} = 60\,\,\,\& \,\,\,{Q_J} = 30\)
- \({Q_S} = 30\,\,\,\& \,\,\,{Q_J} = 60\)
- \({Q_S} = 30\,\,\,\& \,\,\,{Q_J} = 30\)
- \({Q_S} = 60\,\,\,\& \,\,\,{Q_J} = 60\)
- Find the equilibrium price for the following demand and supply function:
Demand function: \[P + {Q^2} + 3Q - 20 = 0\] Supply function: \[P - 3{Q^2} + 10Q = 5\] - 2
- 4
- 6
- 8
- Given: \[Y = C + I + G\]\[C = {C_0} + bY\]\[I = {I_0}\]\[G = {G_0}\]\[C = 135\]\[b = 0.8\]\[{I_0} = 75\]\[{G_0} = 30\] find the equilibrium consumption level:
- 1095
- 1295
- 1000
- 1200
- Given:
Demand function: \[3P + {Q^2} + 5Q - 102 = 0\] Supply function: \[P - 2{Q^2} + 3Q + 71 = 0\] find the equilibrium price: - 2
- 4
- 6
- 8
- Find the numerical value of the equilibrium national income for the following model where investment is also function of national income: \[Y = C + I\]\[C = {C_0} + bY\]\[I = {I_0} + aY\]\[{C_0} = 65\]\[{I_0} = 70\]\[b = 0.6\]\[a = 0.2\]
- 600
- 625
- 675
- 700
- Find the equilibrium level of national income for the following national income determination model in the foreign sector: \[Y = C + I + G + (X - Z)\]\[C = {C_0} + bY\]\[Z = {Z_0} + zY\]\[I = {I_0} = 90\]\[G = {G_0} = 65\]\[X = {X_0} = 80\]\[{C_0} = 70\]\[{Z_0} = 40\]\[b = 0.9\]\[z = 0.15\]
- 2060
- 2000
- 1060
- 1000
- Given \[C = 102 + 0.7Y\]\[I = 150 - 100i\]\[{M_s} = 300\]\[{M_t} = 0.25Y\]\[{M_z} = 124 - 200i\] find equilibrium level of interest rate:
- 0.04
- 0.08
- 0.16
- 0.12
- Find the equilibrium national income for the following IS-LM model: \[C = 89 + 0.6Y\]\[I = 120 - 150i\]\[{M_s} = 275\]\[{M_t} = 0.1Y\]\[{M_z} = 240 - 250i\]
- 500
- 525
- 575
- 600
RBI Grade B DEPR Practice Question Set - 1
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