###
**The mean temperature of Monday to Wednesday was 37°C and of and of Tuesday to Thursday was 34°C. If the temperature on Thursday was $\Large\frac{4}{5}$ that of Monday, the temperature of Thursday was-
**

A. 34°C
B. 35.5°C
C. 36°C
D. 36.5°C
**Answer: Option C**

## Show Answer

Solution(By Apex Team)

M + T + W = (37 × 3)°C = 111°C…..(i)
T + W + Th = (34 × 3)°C = 102°C…..(ii)
Subtracting (ii) from (i), we get:
$\begin{aligned}&\Rightarrow\mathrm{M}-\mathrm{Th}=9^{\circ}\mathrm{C}\\
&\Rightarrow\mathrm{M}-\frac{4}{5}\mathrm{M}=9\\
&\Rightarrow\frac{1}{5}M=9\\
&\Rightarrow\mathrm{M}=45\\
&\therefore\text{ Temperature on Thursday }\\
&=\left(\frac{4}{5}\times45\right)^{\circ}\mathrm{C}\\
&=36^{\circ}\mathrm{C}\end{aligned}$

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