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4.Average
medium
The average temperature from Monday to Thursday is $48^{\circ} C$ and from Tuesday to Friday, the average temperature is $52^{\circ} C$. If the temperature on Monday is $42^{\circ} C$, what was it on Friday in $^{\circ} C$?
A
$46$
B
$58$
C
$50$
D
$45$
Solution
Total temp of mon $+$ tues $+$ wed $+$ thus $=4 \times 48^{\circ} C =192^{\circ} C$
Temp on mon $=42^{\circ} C$
temp on Tue $+$ Wed $+$ Thus $=192^{\circ}-42^{\circ}=150^{\circ} C$
Tem on Friday $=208^{\circ}-150^{\circ}=58^{\circ} C$
Standard 13
Quantitative Aptitude
