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asd_dah's posts
asd_dah replied to Official Quant Thread for CAT 2011 [Part 8]
Hi but as per the last eqns the number of soln of eqn
x+y+z+p+q+r+s = 6 in case of non zero soln will be
n-1^(C)r-1 is'nt it please explain i m still not clear abt it ??
asd_dah replied to Official Quant Thread for CAT 2011 [Part 8]
Hi puys solve this im really confused abt this questn plz post detailed soln
There is row of 30 seats & there are 6 groups of 4 persons each. In how many ways can 6 blocks with 4 consecutive seats in each block, be selected to seat all the six groups ??
asd_dah replied to Special Tricks for CAT 2011
Dear its simple we have 2^2(49*50*99)/6 that will be equal to
2*49*50*33 which when divided by 9 will give 6 as remndr fr sure may be jumped some steps thts why u are getng 4 recheck it i hope this is now clear
asd_dah replied to Special Tricks for CAT 2011
2>For second one it is 160
asd_dah replied to Special Tricks for CAT 2011
For the frst one answr is 6 as given below:-
1>it can be written as 2^2(1^2+11^2+111^3.....& so on till 1111.....49times)
Now a number is divisible by 9 if the sum of its digit is divisible by 9 so we have
2^2(1^2+2^2+3^2.......49^2)
which will be 2^2(49*50*9/6-----(A)
using formu...
2 2
asd_dah replied to AIMCAT 1210 Scores, Discussions (Pls do not ope...
hey ravi thts ausum score man btw hw do u manage to attempt so many questions in a paper of this level pl thrw some tips dear i badly need it as i cud do a max 8 in QA+DI section btw thnkx in advance
asd_dah replied to CAT 2011 LR-DI thread
ya the answr is indeed 10:46 but can u expln ur apprch in detail btw thnx in advance ur di looks vry strng
asd_dah replied to CAT 2011 LR-DI thread
ya the answr is indeed 10:46 but can u expln ur apprch in detail btw thnx in advance u di looks vry strng
asd_dah replied to CAT 2011 LR-DI thread
hey anybdy knws hw to solve this plz explain ?? looking frwd to yr replyz
asd_dah replied to CAT 2011 LR-DI thread
plz solve this along as given in attachment with explanations thnx in advance