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Maths Puzzle
Numerical Ability
Permutation and Combination
Q. The letters of word LABOUR are permutated in all possible ways and the words thus formed are arranged as in a dictionary fashion what is rank of word LABOUR.
Read Solution (Total 5)
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- 5! words starting with A.
5! words starting with B.
Next word starting with L ... LABORU
Next word is LABOUR
so rank of word LABOUR = 120+120+1+1=242 - 12 years agoHelpfull: Yes(8) No(1)
- 242
5!+5!+2 = 120+120+2 = 242 - 12 years agoHelpfull: Yes(3) No(1)
- general method to solve these type of questions??
- 12 years agoHelpfull: Yes(0) No(2)
- 2!x5!+0+0+0+1*1+0
- 6 years agoHelpfull: Yes(0) No(0)
- A- 5!
B-5!
LABORU- 1
LABOUR-1
Rank is = 120+120+1+1=242 - 5 years agoHelpfull: Yes(0) No(0)
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