Out of all the patients in a hospital $89\, \%$ are found to be suffering from heart ailment and $98\, \%$ are suffering from lungs infection. If $\mathrm{K}\, \%$ of them are suffering from both ailments, then $\mathrm{K}$ can not belong to the set :
Out of all the patients in a hospital $89\, \%$ are found to be suffering from heart ailment and $98\, \%$ are suffering from lungs infection. If $\mathrm{K}\, \%$ of them are suffering from both ailments, then $\mathrm{K}$ can not belong to the set :
- [JEE MAIN 2021]
- A
$\{79,81,83,85\}$
- B
$\{84,86,88,90\}$
- C
$\{80,83,86,89\}$
- D
$\{84,87,90,93\}$
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- [KVPY 2017]
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