Average temperature from Monday to Wednesday is 37^oC while average temperature from tuesday to thur

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The average temperature from Monday to Wednesday is $37^oC$ while the average temperature from tuesday to thursday is $34^{\circ} C$. The temperature of thursday is $\frac{4}{5}$ times to that of Monday. Find the temperature of thursday in $^{\circ} C$ ?

A

$36$

B

$33$

C

$37$

D

$34$

Solution

Total temp of Mon $+$ tues $+$ wed $=111^{\circ} C$

tues $+$ wed $+$ thus $=34 \times 3=102^{\circ} C$

Mon – Thus $=9^{\circ} C$

$M-\frac{4}{5} M=9^{\circ} C \Rightarrow \frac{M}{5}=9^{\circ} C \Rightarrow M=45^{\circ} C$

Temp on thursday $=45 \times \frac{4}{5}=36^{\circ} C$

Standard 13

Quantitative Aptitude

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