Using all the letters of the word “NOKIA”, how many words can be formed, which begin with N and end with A?
Options:
A .  3
B .  6
C .  24
D .  120
Answer: Option B THERE ARE FIVE LETTERS IN THE GIVEN WORD. CONSIDER 5 BLANKS …. THE FIRST BLANK AND LAST BLANK MUST BE FILLED WITH N AND A ALL THE REMAINING THREE BLANKS CAN BE FILLED WITH THE REMAINING 3 LETTERS IN 3! WAYS. THE NUMBER OF WORDS = 3! = 6.
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