rank of the word MONDAY in the dictionary of all words formed by using the letters of the word MONDA

M4maths Previous Puzzles

04 Jun 2012 MONDAY

rank of the word MONDAY in the dictionary of all words formed by using the letters of the word MONDAY.

OPtion

1) 320
2) 321
3) 322
4) 323
5) 324
6) 325
7) 326
8) 327
9) 328
10) none of these

Solution

total words = 6*5*4*3*2*1 = 720
so rank of MONDAY
= [720/6]*2+[120/5]*3+[24/4]*2+[6/3]*1+[2/2]*0+1 = 240+72+12+2+0+1 = 327

Correct Option: 8 Best Solution (0)