Permutations with Repetition/Restrictions
30 tutor-authored questions for this Ontario curriculum expectation, ordered easiest to hardest, every one with a full worked solution. Work through all 30 with your weekly-lesson access code.
Sample: the first question, solved
Find the distinct arrangements of the letters in "DEED" (2 D's, 2 E's).
📘 Worked solution
✓4!/(2!2!)=6.
And one from the hard end
"In how many ways can the letters of 'CANADA' (3 A's) be arranged, if it must start with 'C'?"
Solution shown after you try it in practice mode.
Work through all 30, easiest to hardest
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