Question

Television and radio stations use four call letters starting with W or​ K, such as WXYZ or KRLD. Assuming no repetitions in the second to fourth​ letters, how many​ four-letter sets are possible using either W or K and only the letters Upper J to Upper X​? ​(Count all possibilities even​ though, practically, some may be​ inappropriate.)

Answer 1

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Simaluly ktter set stonks oith K for possibilihesthe susnd, third and t Jhep the numbco deten woul lesame ao munhined alove pra ५ ।3 ।2. nud to multply To calaulate hu number eutcomo fpossble we all the ahove numbeno x 14x 13 x)2 2184 Nember -possibalika frtlatte only k) Totol numbord 4 letters sets hosiole starhing oith W or kamd dy uoing only uhun 7 to phenx utters 184 2184 4368