Q1:  a) For how many n ∈{ 1,2,...,500} is n a multiple of one or more of 5, 6, or 7?         b) For how many n ∈ {1,2,...,500} is n a multiple of one or more of 5, 6 ?   Please use this formula for both ques formula : n(A+B+C) = n(A) + n(B) + n(C) - n(AB) -n(AC) -n(BC) + n(ABC) [ this formula is for 3 digit numbers]   { what will be foemula for 2 digits ) please make it clear. ty

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
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Q1:  a) For how many n ∈{ 1,2,...,500} is n a multiple of one or more of 5, 6, or 7?

        b) For how many n ∈ {1,2,...,500} is n a multiple of one or more of 5, 6 ?

 

Please use this formula for both ques

formula : n(A+B+C) = n(A) + n(B) + n(C) - n(AB) -n(AC) -n(BC) + n(ABC) [ this formula is for 3 digit numbers]

 

{ what will be foemula for 2 digits )

please make it clear. ty

 

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