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8 years, 2 months ago
If all the letters of the word ‘BOTTLE’ are arranged in all possible ways and these words are written in a dictionary what would be the rank of the word ‘BOTTLE’?
8 years, 2 months ago
B-1 O-4 T-5 L-3 E-2
BE(4!/2!)=12
BL(4!/2!)=12
BOE(3!/2!)=3
BOL(3!/2!)=3
BOTE(2!)=2
BOTL(2!)=2
BOTTEL-1
BOTTLE-1
Therefore rank 36