JNU ECOM 2010 QUES 71-80

[Arushi :))]

QUES 71
Let X & Y be statements. If we know that X implies Y , then we can also conclude that:
a. X is true, and Y is also true
b. If X is false, then Y is false.
c. If Y is true, and X is also true
d. If Y is false, then X is also false.
Answer-d
QUES 72
Let X, Y & Z be statements. Suppose we know that X implies Y, and that Y implies Z. If we also know that X  is false , we can infer that:

Answer-
QUES 73
The United States is a major exporter of:

Answer-d
QUES 74
The terms of trade are:
a. the countries' production possibilities curve
b. the autarky equilibrium
c. the exchange rate of the two goods being traded.
d. the value of exports
Answer-c
QUES 75
Autarky means that:
a. a country's consumption possibilities are given by production possibilities.
b. equilibrium attained with the maximum gains from specialization and trade.
c. equilibrium has been reached with maximum amount of international trade.
d. the nation has such a high standard of living that there are no poor people.
Answer-a
QUES 76
Linear accelerator has the following characteristics:
a. Depends on expectation and has dimension of time.
b. Depends on expectations and has the dimensions of inverse time.
c. Doesn't depend on expectations and has the time dimension.
d. Doesn't depend on expectations and has no time dimension.
Answer-

Answer
77-b
78-a
QUES 79
The Economics Nobel Prize for the year 2009 was awarded to:

Answer-a
QUES 80
Consider the set A= {x| 0<x<1}. what is the minimum number that belongs to set A?
a. 0
b. 0.001
c. 0.00002
d. There is no minimum number in set A
<b>Answer-d

[Arushi :))]

I am not sure about 77.
N someone tell 72,76

[econ14]

72. we are given x-> y
                   & y-> z


in addition we are given that X is FALSE.
SO WHEN X is false then Y can be either t or f (bcoz x is sufficient condition for Y not necessary condition).
so if Y is not known we cant comment about Z.
therefore answer will be option (d)

[econ14]

77. The warranted growth rate is equal to the savings rate of the economy divided by its capital output ratio.
so W.G= 14/4 =3.5
Natural growth rate represent the population rate of growth i.e 3% here.

so correct answer is (a)

[Sinistral]

72.

X => Y => Z (Given)

If X is false (given), it implies that Y is (trivially) true.
And if Y is trivially true implies that Z is also trivially true.

So (d)