# Download JNU 2020 Economics (Ecom) Registered Photo Exam Day Photo Question Paper

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Roll No:
Application No:
Registered Photo
Exam Day Photo
Name:
Exam Date: 08-Oct-2020
Exam Time: 15:00-18:00
Examination: 1. Course Code - M.A./M.Sc./M.C.A.
2. Field of Study - ECONOMICS (ECOM)
SECTION 1 - SECTION 1

Question No.1 (Question Id - 22)
The degree of price control will be very high in the case of :
(A)
Imperfect competition
(B)
Perfect competition
(C)
(D)
Monopolistic
Question No.2 (Question Id - 44)
If two lines of regression are perpendicular to each other, then the relation between the regression
coefficients is :
(A)
xy=yx
(B)
xy yx=1
(C)
xy+ yx=1
(D)
Question No.3 (Question Id - 16)
Correlation coefficient (r) is significant when :
(A)
r > 6 probable error (Correct Answer)
(B)
r < 6 probable error
(C)
r=6 probable error
(D)
none of above
Question No.4 (Question Id - 11)
When the rate of taxation increases with increase in income, then it is :
(A)
Proportional tax
(B)
(C)
Regressive tax
(D)
All of above
Question No.5 (Question Id - 25)
Primary deficit means :
(A)
Fiscal deficit minus interest payment (Correct Answer)
(B)
Excess of expenditure over receipts
(C)
Deficit financed by borrowing externally
(D)
None
Question No.6 (Question Id - 38)
When C=20+0.5Y, I=50, G=10, find the national income.
(A)
(B)
170
(C)
140
(D)
150
Question No.7 (Question Id - 41)
In a box containing 100 bulbs, 10 are defective. What is the probability that out of sample of 5 bulbs none is
defective ?
(A)
1/10
(B)
1/4
(C)
(D)
None of the option
Question No.8 (Question Id - 24)
Rostow divided economic growth into stages of :
(A)
Two
(B)
(C)
Four

(D)
Three
Question No.9 (Question Id - 34)
Find the private income from given data in NDPFC=15400, Net income from abroad=100, Transfer
payment from government=250, Net donation from abroad=50, Interest on national debt=150, Income to
government from domestic product=150.
(A)
(B)
18500
(C)
24300
(D)
16150
Question No.10 (Question Id - 33)
When production function of a firm is Q=20 K0.5L0.5 , price of capital is 5 per unit and price of labour is
4 per unit. What will be expansion path ratio for the firm ?
(A)
K=0.3L
(B)
K=39/4L
(C)
K=14/5L
(D)
Question No.11 (Question Id - 2)
For an economy, if C = 400 + 0.8 Yd, Yd = Y - T, T = 300 + 0.2Y, find MPC.
(A)
0.93
(B)
(C)
0.20
(D)
0.81
Question No.12 (Question Id - 1)
What will be slope (dK/dL) of the given Isoquant 4 K1/4L3/4 = 2000 ?
(A)
(B)
(-) 5K/L
(C)
(+) 5K/L
(D)
3/5K
Question No.13 (Question Id - 50)
(A)
1
(B)
0.234
(C)
2
(D)
Question No.14 (Question Id - 10)
When Average Variable Cost AVC = 10 - 5Q + 10Q2. What will be output at minimum marginal cost when
fixed cost is 50 ?
(A)
(B)
0.178
(C)
0.23
(D)
none
Question No.15 (Question Id - 35)
When interest rate is very low and LM curve becomes horizontal straight line, then this situation is known as
:
(A)
Liquidity ratio
(B)
(C)
Giffen curve
(D)
Debt trap
Question No.16 (Question Id - 14)
When government imposes tax in the case of negative production externality, what will be effect on
Consumer Surplus ?
(A)
(B)
Consumer surplus increases
(C)
Consumer surplus does not change
(D)
None of above

Question No.17 (Question Id - 4)
(A)
60% on X1 and 40% on X2
(B)
50% on X1 and 50% on X2 (Correct Answer)
(C)
40% on X1 and 60% on X2
(D)
70% on X1 and 30% on X2
Question No.18 (Question Id - 30)
What will be the equilibrium income when commodity market (IS) and the money market (LM) are in
equilibrium in the case of C=102+0.7Y, I=150-100i, MS=470, MT=0.25Y, MZ= 124-200i ?
(A)
1100
(B)
1300
(C)
1900
(D)
Question No.19 (Question Id - 48)
The below question has been dropped and full marks are awarded.
If X ~ N(30, 52) then which one of the following is correct ?
(A)
P(X 30)=0.5
(B)
P(X 0)=P(X 0)
(C)
P(X 1)=P(X 1)
(D)
P(30 X 40)=P(20 X 30)
Question No.20 (Question Id - 17)
Hirschman takes divergent series of investment as a project that :
(A)
creates less external economies than they appropriate
(B)
creates more external economies than they appropriate (Correct Answer)
(C)
creates no external economies than they appropriate
(D)
none of above
Question No.21 (Question Id - 49)
Let X be distributed with pdf f (x)=1 if 0 < x < 1, is equal to zero otherwise. Then find the EX, EX2 and
Var(X).
(A)
(B)
(C)
(D)
Question No.22 (Question Id - 6)
When the price of a Pen is 20 and elasticity of demand is 1.6, find the marginal revenue.
(A)
1.7
(B)
(C)
9.5
(D)
3.5
Question No.23 (Question Id - 8)
The demand function for a good in place is Q = 24 - 3P. What will be theoretically maximum quantity (Q)
demanded for price (P) ?
(A)
33
(B)
(C)
8
(D)
28
Question No.24 (Question Id - 37)
The below question has been dropped and full marks are awarded.
If the demand function of a commodity X is X=200-0.5P, what will be demand elasticity at a price of 5 ?

(A)
0.097
(B)
0.052
(C)
0.067
(D)
0.093
Question No.25 (Question Id - 47)
The probability that a 3-card hand drawn at random and without replacement from an ordinary deck consists
entirely of red cards is :
(A)
(B)
(C)
(D)
Question No.26 (Question Id - 32)
The below question has been dropped and full marks are awarded.
The demand function Qd=35000-5P and the supply function of a firm Ms. Sulekhs Ltd. is Qs=20000+20P.
What will be impact on the quantity demanded and price when government imposes specific sales tax
10.00 per unit and Lump Sum tax 2000.
(A)
509
(B)
608
(C)
1200
(D)
609
Question No.27 (Question Id - 36)
We consider Fisher's index as an ideal index because it satisfies :
(A)
Time reversal test
(B)
Factor reversal test
(C)
Both time and factor reversal test (Correct Answer)
(D)
None
Question No.28 (Question Id - 20)
The slope of the budget line is (-) 0.25 and income is 100 for buying two equal goods Samosa and Jalebi.
What amount will be spent on Samosa ?
(A)
30
(B)
34
(C)
65
(D)
Question No.29 (Question Id - 46)
If equation of lines 4x-ky=6 and 6x+3y+2=0 are perpendicular then,
(A)
k=2
(B)
k=4
(C)
k=6
(D)
Question No.30 (Question Id - 5)
The demand function for a quantity Q is Qd = 35000 - 5P. Over what range of price, the quantity demand will
be inelastic ?
(A)
100 to 600
(B)
300 to 399
(C)
500 to 3900
(D)
Question No.31 (Question Id - 15)
When C=200+0.75 (Y-T), I=200-25r, G=100, T=100. Find IS curve function.
(A)
(B)
Y=1800-100r
(C)
Y=1900-100r
(D)
Y=1700+100r

Question No.32 (Question Id - 26)
Fisher's index is :
(A)
Harmonic mean of Laspeyre's and Pasche
(B)
Geometric mean of Laspeyre's and Pasche (Correct Answer)
(C)
Arithmetic mean of Laspeyre's and Pasche
(D)
None
Question No.33 (Question Id - 23)
The minimum rate at which the central bank rediscounts bills held by commercial banks is called :
(A)
Repo rate
(B)
CRR
(C)
(D)
Prime Lending rate
Question No.34 (Question Id - 12)
What is direct tax ?
(A)
Paid by a person on whom it is imposed (Correct Answer)
(B)
Paid by a person on whom it is not imposed
(C)
Both 1 and 2
(D)
None of above
Question No.35 (Question Id - 19)
When level of income is zero, what will you call the level of consumption ?
(A)
induced consumption
(B)
minimum
(C)
related
(D)
Question No.36 (Question Id - 43)
(A)
oscillating
(B)
(C)
divergent
(D)
none of these
Question No.37 (Question Id - 31)
The below question has been dropped and full marks are awarded.
Ms. Sulekha is having income of 30.00 for consuming two goods Samosa and Jalebi whose prices are
10.00 and 2.00 per piece. What will be Sulekha's total price effect when her utility function is U = XY and
the price of Samosa decreased to 5.00 per piece but the price of Jalebi is remaining the same ?
(A)
-5/6
(B)
-3/2
(C)
+5/7
(D)
None
Question No.38 (Question Id - 40)
Which policy is more effective in the Keynesian range of LM curve ?
(A)
(B)
Monetary
(C)
Both fiscal and monetary
(D)
Neither fiscal and nor monetary
Question No.39 (Question Id - 45)
Calculate area under the curve xy=1, x=1 to x=e :
(A)
(B)
2 unit
(C)
e unit
(D)
0 unit
Question No.40 (Question Id - 13)
When Average Tax Rate (ATR) is more than Marginal Tax Rate (MTR) then it is :
(A)
(B)
Progressive tax
(C)
Proportional tax
(D)
Degressive tax

Question No.41 (Question Id - 3)
What will be equilibrium income, when Lump Sum Tax (T) is added to the model and Consumption (C) is a
function of disposable income (Yd), given Y = C + I, C = C0 + bYd, I = I0, Yd = Y - T, C0 = 100, b = 0.5, I0 =
40, T = 50.
(A)
274
(B)
298
(C)
(D)
653
Question No.42 (Question Id - 7)
The demand function for a good is Q = 36 - 3P. What will be theoretically maximum Price (P) for Quantity
(Q) ?
(A)
(B)
3
(C)
10
(D)
112
Question No.43 (Question Id - 39)
What will happen when supply elasticity is less than demand elasticity ?
(A)
Consumer burden will be less than producer burden (Correct Answer)
(B)
Consumer burden will be more than producer burden
(C)
Both will be equal
(D)
None
Question No.44 (Question Id - 21)
Offer curve introduced by Alfred Marshall deals with :
(A)
(B)
Exchange rate
(C)
Money supply
(D)
Money
Question No.45 (Question Id - 29)
What will be the second order direct partial derivative VXX and Vyy respectively for given Cobb-Douglas
function V=4X0.4Y0.5 ?
(A)
0.98x-1.6 y0.5 , -X0.4Y-1.7
(B)
0.96x-1.6 y0.5 , -X0.4Y-1.5 (Correct Answer)
(C)
0.196x-1.6 y1.5 , -X0.4Y-1.5
(D)
0.06x-3.6 y0.5 , -X0.4Y-1.5
Question No.46 (Question Id - 28)
The long run supply elasticity for constant cost industry will be :
(A)
More than unity
(B)
(C)
Zero
(D)
None
Question No.47 (Question Id - 42)
During the Covid pandemic we observed the fall in the salary of 10 males of a given locality are found to be
70, 50, 62, 68, 61, 68, 70, 33, 64, 40 in thousands. Is it reasonable to believe that the average salary is
greater than 64 in thousand ? To test at 5% significance level to make the decision or conclusion about the
hypothesis we will use the following :
(A)
Use one sided hypothesis, tabulated value of "t" should be less than calculated value.
(B)
Use two sided hypothesis, tabulated value of "t" should be less than calculated value.
(C)
Use one sided hypothesis, tabulated value of "t" should be greater than calculated value.
(D)
Use two sided hypothesis, tabulated value of "t" should be greater than calculated value.
Question No.48 (Question Id - 18)
A firm should increase investment when :
(A)
MEC < i
(B)
MEC=i

(C)
(D)
MEC=1
Question No.49 (Question Id - 9)
When demand Q = 300 - 5P and supply Q = 200 + 15P. If government imposes specific sales tax of 2.00
per unit, what will be new price ?
(A)
7.3
(B)
(C)
6.9
(D)
5.9
Question No.50 (Question Id - 27)
A saddle point in the game theory refers to :
(A)
No loss
(B)
No profit
(C)
Outcome of strictly determined game (Correct Answer)
(D)
None
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