Average temperature for Monday, Tuesday, Wednesday and Thursday was 48^{circ} . average temperature

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The average temperature for Monday, Tuesday, Wednesday and Thursday was $48^{\circ}$. The average temperature for Tuesday, Wednesday, Thursday and Friday was $52^{\circ} .$ If the temperature on Monday was $42^{\circ} .$ then the temperature on Friday was (in $degrees$)

A

$58$

B

$56$

C

$52$

D

$50$

Solution

$M+T+W+T h=48 \times 4=192$

$T + W + Th + F =52 \times 4=208$

$F – M =16$

$F =16+42$

$F =58^{\circ}$

Standard 13

Quantitative Aptitude

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