MBA
Exam
If A=(p,q,r,s,t) and B=(x,y,z),how many onto functions A->B exists??(please explain) 1) 125 2) 243 3) 150 4) 144
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MBA Other Question
if N=a0a1a2a3a4........a99 and M= a99a98a97.....a3a2a1 then what is with the divisibility ofmod of (N-M) (my cat was on 4th November and this was in paper...please solve it) 1) is divisible by 9 but not necessarily by 111 2) is divisible by 9 but not necessarily by 11 3) s divisible by 9 but not necessarily by 99 4) divisibility of such no.s can't be predicted
P is a point inside the triangle ABC. Line PA meets BC at D. Similarly, BP meets CA at E, and CP meets AB at F. If PD = PE = PF = 3 and PA + PB + PC = 43, then PA *PB*PC=?????? 1) 154 :-) 2) 441 :-( 3) 308 :-& 4) 476 5) none of these........!!