A MIX of Doubts !

[Anjali]

 1.  Find the value of the constant k such that P(x )  is the Probability Mass Function (p.m.f.) of X P(x)  = k (1/3) x              x = 1,2,3…………
a) 3   b) 1/3   c) 1   d) 2

2. Which of the following is not continuous distribution?  
a) Exponential Distribution   b) Pareto Distribution   c) Geometric Distribution   d) Gamma Distribution

3. In a certain town, 3 people are born every 7 seconds and 7 people die every 11 seconds. Therefore the birth and death rates account for a population growth rate of one person every   a) 3/11   b) 16/21   c) 7/11   d) 3/17

4. The demand for spring water is given by P = 1000- Q. Assume that the cost of production to be zero. What is the equilibrium price for the industry if there are four firms in the industry?   a) Rs. 800   b) Rs. 200   c) Rs.100   d) Rs.1000

5. If the percent change in the price level is __________ than the percent change in __________, __________.    
a) smaller; nominal GDP; real GDP shrinks  
 b) greater; nominal GDP; real GDP shrinks  
c) greater; real GDP; nominal GDP shrinks
  d) greater; real GDP; nominal GDP stays the same

6. If the available workers are unaware of the job being offered and the employers are not aware of the available workers, such type of unemployment is called  
a) Frictional unemployment
  b) Structural unemployment  
  c) Cyclical unemployment  
d) Disguised unemployment

7. In the last few months the forex reserves in India have been increasing. Which of the following sterilization policies would the RBI should adopt?  
a) Increase CRR  
b) Decrease CRR  
 c)  Decrease discount rate  
d)  Buy government securities

8. The Phillips curve assumes that inflation expectations are  
a) changes in interest rates.  
b) changes in unemployment.  
 c) changes in short-term output fluctuations.  
d) changes in long-term inflation.

9.
LM Function Y = 500+200 i
Investment function (I) 100 – 10 i
Transaction demand for Money (Mt) 0.50 Y
Speculative Demand for Money (Ma) 350 – 100 i
Supply of money (Ms) 500 Rs.
Current equilibrium rate of interest (i) 10 %    
A)  If expansionary fiscal policies increase the equilibrium rate of interest to 12 % , the crowding out in the economy is :  
 a) 10 Rs.   b) 15 Rs.   c) 20 Rs.   d) 25 Rs.

 B).  If the government would like to avoid the crowding out as in above question, what should be new money supply in the economy?  
 a) 100 Rs.   b) 600 Rs.   c) 650 Rs.   d) 700 Rs.

[Homer Simpson]

2(c), 5(b), 6(a)

will try the others soon.

[ViV]

3 : I am getting 11/7 (not convinced with my approach)
8 : (c)

[Anjali]

For 3rd Iam getting b

[Anjali]

Why c for 8th ?

[Dreyfus]

Anjali can u please check q9 again! Especially the first equation
And for q6 its frictional unemployment

[Anjali]

Question is correctly posted. However , it could have been wrongly printed . I have forwarded this question to Akshay as well.
He gave me a solution , however he is not really convinced with that approach.
According to that approach , first part is coming to be 20 . However , solution of second part is not matching.