Number and Algebra
Functions
Geometry & Trigonometry
Statistics & Probability
Calculus
Find the number of distinct arrangements of the letters in the word HARRYHARRYHARRY.
Find the number of distinct arrangements of the letters in the word BALLOONBALLOONBALLOON.
Find the number of distinct arrangements of the letters in the word LETTERLETTERLETTER.
How many distinct sequences can be formed by arranging 5 indistinguishable red balls and 3 indistinguishable blue balls in a row?
Find the number of distinct arrangements of the letters in the word BANANABANANABANANA.
Find the number of distinct arrangements of the letters in the word SUCCESSSUCCESSSUCCESS.
Find the number of distinct arrangements of the letters in the word ALABAMAALABAMAALABAMA.
Find the number of distinct arrangements of the letters in the word PARALLELPARALLELPARALLEL.
Find the number of distinct arrangements of the letters in the word COMMITTEECOMMITTEECOMMITTEE.
Find the number of distinct arrangements of the letters in the word MISSISSIPPIMISSISSIPPIMISSISSIPPI.
Find the number of distinct arrangements of the letters in the word STATISTICSSTATISTICSSTATISTICS.
Find the number of distinct arrangements of the letters in the word ENGINEERINGENGINEERINGENGINEERING.
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Question Type 1: Using permutations formula
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Question Type 3: Grouping items together