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Numerical Ability
Permutation and Combination
The letters in the word ABHAY are permuted in all possible ways and arranged as per alphabetical order (as in dictionary) find the word in 49th position?
Read Solution (Total 6)
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- A A B H Y alphabetical order
A _ _ _ _= 4! 2449
Y A A B _=1! 1 48+1=49
SO REQUIRED ORDER IS YAABH
- 9 years agoHelpfull: Yes(9) No(3)
- answer is YAABH
arrange it in alphabetical order AABHY
A _ _ _ _-----------4!--24
b _ _ _ _ ----------4!/2!---12
h _ _ _ _-----------4!/2!----12
Y A A A B H------------1
total 24+12+12+1=49 - 9 years agoHelpfull: Yes(9) No(5)
- AABHY
A---- 24
A----24
BAAHY 49th word - 9 years agoHelpfull: Yes(8) No(0)
- ans is AABYH
A (A B H Y )is 4!
interchanging the first two letters
A (A B H Y )is 4!
total 4!+4!=48
so A A B H Y is 48th letter
now
AA(BHY) is over take the 49th letter
AAB(HY) these combination get two letters
already AAB(HY) is 48th letter
next letter is AAB(YH)
so ans is AABYH - 9 years agoHelpfull: Yes(2) No(1)
- YAABH is the right answer
- 9 years agoHelpfull: Yes(0) No(1)
- AA_ _ _ 24
AB _ _ _ 24
AHABY WILL B 49TH WORD... - 9 years agoHelpfull: Yes(0) No(0)
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