JEE MAIN - Mathematics (2024 - 29th January Morning Shift - No. 27)
All the letters of the word "GTWENTY" are written in all possible ways with or without meaning and these words are written as in a dictionary. The serial number of the word "GTWENTY" is _________.
Answer
553
Explanation
Words starting with $$\mathrm{E}=360$$
Words starting with $$\mathrm{GE=60}$$
Words starting with $$\mathrm{GN=60}$$
Words starting with $$\mathrm{GTE=24}$$
Words starting with $$\mathrm{GTN=24}$$
Words starting with $$\mathrm{GTT=24}$$
GTWENTY $$=1$$
Total $$=553$$
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