1.

All the rearrangements for the letters of the word ′DEMAND′ are written without including any word that has two D′s appearing together. If all these are arranged in dictionary order, then the rank of the word "DEMAND" will be

Answer»

All the rearrangements for the letters of the word DEMAND are written without including any word that has two Ds appearing together. If all these are arranged in dictionary order, then the rank of the word "DEMAND" will be



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