9&11
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Please check Question 9 - https://www.teachoo.com/2368/607/Ex-7.3--9---How-many-words-can-be-made-from-MONDAY---Class-11/category/Ex-7.3/
and Question 11 - https://www.teachoo.com/2370/607/Ex-7.3--11---In-how-many-ways-can-letters-of-PERMUTATIONS/category/Ex-7.3/
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