TCS
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Numerical Ability
Permutation and Combination
Permutation problem on finding the 25th word if the word RANKED is arranged in dictionary order
Read Solution (Total 8)
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- dictionary order, so take first... AD....=4!=24 words,
next form is 25ht word so,AEDKNR - 12 years agoHelpfull: Yes(43) No(0)
- arrangd alphabetically => ADEKNR
AD**** arranged in 24ways
nxt word ie 25th word is AEDKNR - 12 years agoHelpfull: Yes(9) No(0)
- Ans=AEDKNR.
Total letters=6 A,D,E,K,N,R
So fix AD and the other 4 letters can be arranged in 4!=24 ways.(so 24 words which begin with AD.
Now the 25th word is AEDKNR - 12 years agoHelpfull: Yes(7) No(0)
- alphabetically,ADEKNR
so,AD---- is written as 4!=24
so the 24th word wud be ADEKNR but 25th word will be ADEKRN - 12 years agoHelpfull: Yes(6) No(5)
- SOL IS AEDKNR
- 12 years agoHelpfull: Yes(6) No(3)
- the 25 th word is aedknr
- 10 years agoHelpfull: Yes(4) No(0)
- A D E K N R
- - - -
so take first ----
AD is fixed
then rearrange left word 4!= 24 WORDS
THEN NEXT FORM IS 25TH WORD IS A E D K N R - 10 years agoHelpfull: Yes(1) No(0)
- AEDKNR IS the right ans.
- 10 years agoHelpfull: Yes(1) No(1)
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