Latest m4maths Aptitude Question SOLUTION: Pls check the solution for puzzle Total no. of words of 5 letters formed by letters of the word BOMBAY. [You should use only 5 letters out of 6 letters of the word BOMBAY] solut

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(#M40010037) M4MATHS question words Keep an EYE

Pls check the solution for puzzle

Total no. of words of 5 letters formed by letters of the word BOMBAY.
[You should use only 5 letters out of 6 letters of the word BOMBAY]

solution given is ..................
.....
(1st case all the letters are different
total no. of words of this category = 5*4*3*2*1 = 120
2nd case B comes twice and 3 others
total no. of words of this category = 5*4*3*2*1/2*1 = 60
so total words = 120+60 = 180)

I think answer should be 360
as
solution should be

1st case all the letters are different
total no. of words of this category = 5*4*3*2*1 = 120
2nd case B comes twice and 3 others
total no. of words of this category = 4*(5*4*3*2*1/2*1) = 60*4=240 because there will be 4 combinations of such words.
so total words = 120+240 = 360

pls excuse me if I am wrong.

Asked In m4maths Aman (11 years ago)

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