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Mathematics 23 Online
vasuarora:

n a survey it was found that 80% of viewers watches DD, 60% watches BBC and 75% watches Star Plus. What is the minimum percentage of the viewers watching all the three channels?

jhonyy9:

- in the first case from 80% till 100% there are again 20% in second case from 60% till 100% there are again 40% in the 3rd case from 75% till 100% there are again 25% so from these again percentages what dont watches just one channel how you think what will be the minime percentage of the viewers watching all the three channels?

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