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If the number of arrangements of letters of the word DHARAMSHALA taken all at a time so that no two alike letters appear together is 4a⋅5b⋅6c⋅7d, where a,b,c,d∈N, then the value of a+b+c+d is |
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Answer» If the number of arrangements of letters of the word DHARAMSHALA taken all at a time so that no two alike letters appear together is 4a⋅5b⋅6c⋅7d, where a,b,c,d∈N, then the value of a+b+c+d is |
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