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Question Number 200720 by cortano12 last updated on 22/Nov/23

Answered by BaliramKumar last updated on 22/Nov/23

$$18+3+8=29$$

Answered by Rasheed.Sindhi last updated on 22/Nov/23

$$\mathrm{Mean}=\frac{4+7+10+11+\mathrm{N}}{5}=\frac{32+\mathrm{N}}{5}=\mathrm{Median}$$$$\mathrm{C}1:\mathrm{N},4,7,10,11\Rightarrow \frac{32+\mathrm{N}}{5}=7$$$$\mathrm{C}2:4,\mathrm{N},7,10,11\Rightarrow \frac{32+\mathrm{N}}{5}=7$$$$\mathrm{C}3:4,7,\mathrm{N},10,11\Rightarrow \frac{32+\mathrm{N}}{5}=\mathrm{N}$$$$\mathrm{C}4:4,7,10,\mathrm{N},11\Rightarrow \frac{32+\mathrm{N}}{5}=10$$$$\mathrm{C}5:4,7,10,11,\mathrm{N}\Rightarrow \frac{32+\mathrm{N}}{5}=10$$$$CaseA:\frac{32+\mathrm{N}}{5}=7$$$$32+\mathrm{N}=7\times 5=35$$$$\mathrm{N}=3$$$$CaseB:\frac{32+\mathrm{N}}{5}=\mathrm{N}\Rightarrow 4\mathrm{N}=32\Rightarrow \mathrm{N}=8$$$$CaseC:\frac{32+\mathrm{N}}{5}=10\Rightarrow \mathrm{N}=18$$

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