question of permutation and combination :-1)if the later letter word ;daughter;are to be arranged so that vowels occupy the odd places,then number of different word are ?(who it will be caculated
2)the sum of a;; 4 digit number containing the digit 2,4,6,8without repetitions?3)the number of 4 digit number greater than 5000 can be formed out of the digit 3,4,,5,6and 7(no digit is repeated).the number of such is
answer number 3 is correct but 1answer is wrong :(
answer of 1 is 576
nikhil answer of payal is correct..
its 2880 only..
in cpt book 4 option are give a)576B)676C)625D)524
i have some more interesting question in this chapter :)
1)there are 10 train plying between calcutta and delhi.the number of ways in which a person can go frpm calcutta to delhi and return by a train ?
there are 100 ways to ply btwn calcutta n delhi..
10 ways for calcutta to delhi n again 10 from delhi to calcutta
answer in icai material is give 90ways for this question :(
can u help me to understand how is it possible ?
nikhil if answer to this question is 90 that means they are considering that repetition is not allowed
the way which is used to go from calcutta to delhi can not be used for return journey..
in that case answer would be 90 ways
thanks bro :) i will ask some more question from u all :)
sure nikhil..
hey i have one combination problem plz help me in this question
nCr-1=56,nCr=28and nCr+1=8,then r is equal to
plz solve this question for me :(
fstly divide nCr by nCr-1, it vl give you an eqation
then divide nCr+1 by nCr, it vl give you an other eqation
nw you hv 2 eqations n two variables to solve..i guess u cn solve it nw
IF a lotus if 1" above the water surface, with cool breeze it emerge in by 7" . what is the depth of the pond.???????????
plz asnwer this Quation asap :)
CAclubindia
