Many newspapers carry a certain puzzle in which the reader must unscramble lette

Question

Many newspapers carry a certain puzzle in which the reader must unscramble letters to for by randomly selecting one arrangement of the given lefters words How many ways can the leters of RTLIOSN be aranged? 1identity the correct unscrambing, then detemine the probabilty of geting that res ut How many ways can the letters of RTLIOSN be arranged? What is the comect unscrambing of RTLIOSN? O A TRILONS O B. STRONIL O C. NILTORS What "Be probabity of conng up wen me correct unsoarting through random wher setecton? se an eleger or smpiied raction as seeded )

Explanation / Answer

a) 7! = 5040 ways

i.e. The number of way can the letter of RTLIOSN be arrange is 5040 ways

b) Correct Answer: Option (D) NOSTRIL

c) Probabilty = 1/5040 = 0.000198412

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