jnu

[faizy]

Amit sir, please upload the answer keys of last 2 yr jnu papers.......please............

[archita]

CONTENTS DELETED

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[Amit Goyal]

41 (c) better training of employees
42 (c) there exists an integer n such that P(n, m) is false for all integers m
43 (a) both X and Y are true
44 (b) X is false
45 (c) all X are Z, and all Y are W
46 (d) half
47 (d) None of the above
48 (d) None of the above
49 (d) No conclusion can be drawn on the basis of the given information
50 (c) Rs 1,36,763.1
51 (c) Expenditure on X will rise by 2.2%
52 (c) 3/4
53 (c) 1.37; 1.2731
54 (c) 900000
55 (d) Events E1 and E4 are mutually exclusive
56 (b) 1
57 (a) 5
58 (b) |x|
59 (c) m = 5
60 (d) log-normal distribution
61 (d) none of the above
62 (a) x < xy/2 < y
63 (b) 7
64 (c) do not intersect
65 (d) 0, 2 and 5
66 (b) log 2
67 (c) 5500
68 (d) 0
69 (c) 1/216
70 (a) (-∞,-2)
71 (c) mean = 15, standard deviation = 1
72 (d) 5350
73 (c) 4536
74 (b) 952
75 (c) 12.30
76 (a) 2.60
77 (b) 3.99
78 (b) 7
79 (c) {y, z}
80 (a) there is underconsumption in the free market
81 (b) A ≥ 25π
82 (d) -4, 4
83 (a) the liquid cash that banks have to maintain with the RBI a certain percentage of their demand and time deposits.
84 (c) equal to 1/3 (assuming independence is implicit)
85 (d) the fiscal deficit less the interest outgo in the budget
86 (c) increase in banking habit of the population
87 (b) Market demand = 2000 - 100 p, if p < 20; and Market demand = 0, if p ≥ 20.
88 (c) 16 < p* < 17
89 (d) None of the above
90 (b) The numbers 1, 5, 7, 9 have a smaller standard deviation than the numbers 1231, 1235, 1237, 1239.
91 (d) D
92 (b) B
93 (b) B
94 (a) 1620
95 (c) the marginal cost curve above the average variable cost curve
96 (a) 12
97 (b) -p/q
98 (a) Tuesday
99 (b) Sociology
100 (a) Monday

[ritu]

thanx a lot sir....pls post remaining answers as well....
thanx sooooooooo much...:)

[AJ]

finally the answers! yiepee....

thanks a lot sir!
:)

[vishnu]

Sir,You posted the answer for this question of Jnu 2011 as option d).
The question is
Option I :You receive Rs.112 after one year.
Option II:You receive Rs.55 after 9 months and 56 after one year.
Given that market rate of interest  is 12% per annum it follows that
a)Option I is better than II
b) option II is better than I
c)Both are equally good.
d)no conclusion can  be drawn from given information.


I worked it out in following manner.
In the second option we receive 55 after 9 months.We can again deposit it at given market interest 12% for remaining 3 months which gives us Rs.1.65 as interest.
So amount received at the end of year with option II is
55+1.65+56=112.65.
since 112.65>112 Option II is better.
Why you posted that d) is correct.
please reply

[aditi5000]

Thank you Sir!!!!!!!!!!!!!!!!!!!!!!

[aditi5000]

Please help - question 54
first two places can be filled in 10 ways ie 00,11,22,...99
last 6 places can be filled in 9*10*10*10*10*10
So its 90,00,000 not 9,00,000 right?? :|

[AJ]

@aditi.. leave the first two..

question is.. how many diff. tel. nos. r possible "within a given area code"........!!!

[Amit Goyal]

Hi Vishnu,

I understand your point. I have certain issues with the way the problem is formulated. I am not sure if the compounding is done continuously, monthly or yearly. That is why I wrote that with the available information I cannot comment on the two options.
You may go ahead and use your method to compute the answer. May be that is what they are expecting you to do.

[AJ]

In question 49, can't we just calculate the present discounted values for both...?

and sir, it will be really helpful if u post remaining answers too.. and for 2010 as well...
Thankyou!

[aditi5000]

Oh thank you AJ!!!

[AJ]

@aditi..
Can u explain q.no. 79..?
I wasnt able to understand the question itself...

[aditi5000]

That;s what I did for q 49
PV of option 1 = 112/1.12 = 100
PV of option 2 - 55/1.12 raised to the power 9/12 + 56/1.12 = 100
So aren't they equally good ... because PVs are same.. But I now feel Vishnu's answer makes more sense

[aditi5000]

Sir, another doubt in permutations/combinations
Q74 - last spot can be fixed in 2 ways - 5, 0
other three spots can be filled in 8*7*6 naa?? (ie 1-4 and 6-9) so = 672??

q 79 - it's like a voting procedure. Make a chart with every individuals 1st, 2nd and 3rd choice . when they person is indifferent to any person, then put the 2 indifferent choice on the same rank. you'll find that y has to be number 1 because it has the max no. of number 1 ranks and z has the max no. of no 2 ranks so answer is c

[archita]

thankx a lot sir for uploading 2011 sss paper,,

On Thu, May 17, 2012 at 10:36 AM, aditi5000 [via Discussion forum] <[hidden email]> wrote:

Sir, another doubt in permutations/combinations
Q74 - last spot can be fixed in 2 ways - 5, 0
other three spots can be filled in 8*7*6 naa?? (ie 1-4 and 6-9) so = 672??

q 79 - it's like a voting procedure. Make a chart with every individuals 1st, 2nd and 3rd choice . when they person is indifferent to any person, then put the 2 indifferent choice on the same rank. you'll find that y has to be number 1 because it has the max no. of number 1 ranks and z has the max no. of no 2 ranks so answer is c

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[AJ]

@aditi...
the pdv is.. 100.46 ..
50.48 + 50

for that 9 months wala.. we get 50.46

can u plss check ur calculations again .. may b I am wrong..

and with 100.46 ... the future value (100.46)(1.12) .. is 112.52 .. which is approx what vishnu calculated...

[aditi5000]

AJ

yes option 2 i had a calc error, I'm getting 100.55 > 100
and for option 1, we need to calc PV naa... Not Fv... We are already given FV.. So no point calculating Fv of FV naa... I don't know! PV=fv/1.12
So my answer is same as Vishnu's - option 2 is better but a different technique...

Any thoughts on my second permutation combination doubt?

[AJ]

ya ya.. i was saying given if we compare given future value of 1st one ..with that of second that we calculated..
leave it! we are doing right..watever we are doing.. :p

and permutations wala... i do it like this..

case 1: when 0 is in the end...
  then ... 9*8*7= 504 cases

case2: when 5 is in the end....
  then.... 8*8*7=448 cases

504+448 = 952

[aditi5000]

Ok...Thank you ! Got it :)