TCS
Company
Numerical Ability
Permutation and Combination
What is the 42nd word of "ADOPTS" in a dictionary?
Read Solution (Total 14)
-
- AOSTPD
fixing AD---24 words will be formed
then AOD---6
AOP---6
AOSD--2
AOSP--2
AOSTDP--1
AOSTPD--1(42nd word) - 9 years agoHelpfull: Yes(22) No(5)
- Arrange the word in alphabetical order: ADOPST
A_ _ _ _ _=5!=120
so the required word will be in 120 words only
AD_ _ _ _=4!=24
AO_ _ _ _=4!=24(Here 24+24 =48, the required work before this )
AOD_ _ _ =3!=6(24+6=30)
AOP_ _ _=3!=6 => (36TH LETTER)
AOS_ _ _= 3!=6 => 42TH WORD
So 42th word: AOSDPT - 9 years agoHelpfull: Yes(13) No(1)
- answer is
AOSTPD - 9 years agoHelpfull: Yes(3) No(1)
- the answer is AOSDPT
- 9 years agoHelpfull: Yes(1) No(1)
- pls explain how it will be AOSDPT or Adpost
- 9 years agoHelpfull: Yes(1) No(0)
- Adpost I think
- 9 years agoHelpfull: Yes(0) No(1)
- ans should be Adpost
ad--24
ado--6
adp--6
so sum is 42
adpost - 9 years agoHelpfull: Yes(0) No(1)
- a-----120
ad----24
ao----24, so totally 48,i need 42nd word so reduce from here
aod---6, totally(24+6)
aop---6 (30+6)
aos---6totally(36+6=42)
so
aostpd is the answer - 9 years agoHelpfull: Yes(0) No(0)
- AD_ _ _ _=24 words can be formed
AO_ _ _ _4!=24 (24+24=48 words)We can get 42nd word keeping AO first two letters)
AOD_ _ _(24+6=30)
AOP_ _ _(30+6=36)
AOSDPT(37TH WORD)
AOSDPT(38TH WORD)
AOSPDT (39TH WORD)
AOSPTD (40TH WORD)
AOSTDP (41ST WORD)
AOSTPD (42ND WORD) - 9 years agoHelpfull: Yes(0) No(2)
- APDOST- here fix AD then we get 24 words.then fix AO we get 24 words after we get APDOST
- 9 years agoHelpfull: Yes(0) No(0)
- AD_ _ _ _ 24
AOD _ _ _ 06
AOP _ _ _ 06
AOS _ _ _ 06
______________
42
So last digit is 42
So AOSTPD - 9 years agoHelpfull: Yes(0) No(0)
- A _ _ _ _ _ = 5!(not possible)
AD_ _ _ _ =4! = 24
A O _ _ _ _ =4!= 24
24+24= 48(not a possible rank)
A O D _ _ _ = 3! =6
A O P _ _ _ =3!= 6
A O S _ _ _ =3!=6
Total is 42.
hence the word in 42nd rank is A O S D P T - 9 years agoHelpfull: Yes(0) No(0)
- the answer is AOSTPD
- 9 years agoHelpfull: Yes(0) No(0)
- ADSTPO. if we arrange the words by dictionary order we get this ans
- 9 years agoHelpfull: Yes(0) No(2)
TCS Other Question