Question
What is the probability that four A’s come
consecutively in the word ‘AMALGAMATION’Solution
Total number of words that can be formed from the letters of the word AMALGAMATION= 12!/(4! × 2!) When all the A’s are together then the number of words can be formed = 9!/2! Required Probability = 9!/2!/ 12!/(4!× 2!) =1/55
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