Latest TCS Aptitude Question SOLUTION: finding the 25th word if the word RANKED is arranged in dictionary order

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(#M40011823) TCS Numerical Ability question Keep an EYE

finding the 25th word if the word RANKED is arranged in dictionary order

Asked In TCS Arit (11 years ago)

Unsolved Read Solution (12)

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Read Solution (12) :

Anurag  (11 years ago)

We arrange all letters alphabetically we start with ADEKNR
So,AD****---->4!ways=24ways
So 25th word is AEDKNR

Is this solution Helpfull? Yes (36) | No (5)  

semanti dey  (11 years ago)

arranging d word ranked in alphabetical order it comes ADEKNR..fixing first 2 letter i.e AD_ _ _ _.no of words will be 4!.i.e 24..dat means 24 words r der starting with AD..den 25th word will be AEDKNR..now fixing AE_ _ _ _..we can get another 4! words..i.e 24..total no of words now 24+24=48..den 49th word must start with K..den 49th word comes AKDENR..(by swaping E&K)

Is this solution Helpfull? Yes (6) | No (1)  

G.SOWJANYA  (11 years ago)

can any one tellme how to solve this type of problem

Is this solution Helpfull? Yes (4) | No   

riddhi soni  (11 years ago)

49th word AKDENR

Is this solution Helpfull? Yes (4) | No   

ARUNACHALAM  (11 years ago)

SORRY ANSWER IS AEDKNR

Is this solution Helpfull? Yes (3) | No (2)  

ARUNACHALAM  (11 years ago)

answer is DAEKNR

Is this solution Helpfull? Yes (1) | No (4)  

Binoy Ghosh  (8 years ago)

AEDKNR
after AD we 24 words by arranging others.....so the next must be the 25th words.

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semanti dey  (11 years ago)

AEDKNR..but what will be thw 49th word??

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Archana   (11 years ago)

how did AEDKNR be the solution....after finding 4! what should we do to get the ans

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prasha  (11 years ago)

can any one tellme how to solve this type of problem

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niki  (11 years ago)

how to find the 49th word..? please som1 explain.

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harshit gupta  (5 years ago)

first suppose what will be the first word ADEKNR
So the possible no. of words that will start with A----->5! =120 starting words will be first in dictionary
but we need 25th words so after a smallest word is D now no of words starts with AD---- is 4!=24
we need 25th word required word will not start with AD because AD will contain starting 24 numbers
so what comes after D it's E
So now 25 th word start with AR
arrange the remaining in ascending order
AEDKNE

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