Discussion Forum



1)

If the letters of the word KRISNA are arranged in all possible  ways  and these words are written out as in a dictionary, then the rank of the work 'KRISNA' is 


A) 324

B) 341

C) 369

D) none of these

Answer:

Option A

Explanation:

 The number of words starting from A are  5!=120

The number of words starting from I are  5!=120

The number of words starting from KA are  4!=24

The number of words starting from KI are  4!=24

The number of words starting from KN are  4!=24

The number of words starting from KRA are  3!=6

The number of words starting from KRIA are  2!=2

The number of words starting from KRIN are  2!=2

The number of words starting from KRISA are  1!=1

The number of words starting from KRISNA are  1!=1

Hence , rank of word KRISNA= 2(120)+3(24)+6+2(2)+2(1)=324