Symbiosis National Aptitude Test SNAP 2018 Paper

Question : 51 of 130

Marks: +1, -0

Big Bang Theory cast wishes to find out the number of ways in which the word I dquo ASTRONAUT &rdquo can be scrambled. They find that the number of ways in which it can be put to an unscrambling puzzle are_________

362880
181440
60480
90720

Validate

Solution:

Number of letter in ASTRONAUT = 9
Here, letter A and T repeated two times
So, Number of ways of arrangement
=

{9!}/{2!2!}

= 90720

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