Re: JNU 2012 SSS DOUBTS

Posted by Dreyfus on Apr 20, 2014; 4:48pm
URL: http://discussion-forum.276.s1.nabble.com/JNU-2012-SSS-DOUBTS-tp7587457p7587492.html

Q28...let the prob of physics be x ... Since p of chem is equally likely as p of physics therefore p(p)=p(c)=x now p(m) is twice likely as p of physics or chemistry therefore p(m)=2x
x+x+2x=1→x=1/4 nd p(m)=1/2
Q32...no of obs are odd therefore median is n/2th term ie D's weight
Q33...always equals to their(B,C,D,E) WIEGHT..
Q34...avg of D & E's wieght ie non of the above
Q36
Q44 i hv mark A B C 'S statement nd den compare the cases one by one by putting each on H S C with that u ll find A can never be on hockey nd soccer therefore a must be in cricket also C fits in both cricket nd hockey but since A is in cricket the only choice left for C is to b in hockey ...both of their positions implies D to be in hockey
Q48...when rent increases the existing customers with reservation prices of 1500 will no longer be able to buy the houses therefore demand will fall ...since 1500 is equilibrium price therefore at 1600 there will be excess supply
Q50...in 1min→2T can type 1 page
               6min→2Tcan ttype 6 pages
              3*6 min→3*2T can type 6 pages
Therefore in 18 min 6 T can type 6 pages
Q55 we r not given the initial size thats we can't determine...