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Integers — MATHS STD 6 — Question

Gujarat BoardEnglish MediumSTD 6MATHSIntegers1 Mark
MCQ
Which of the following shows the maximum rise in temperature?
  • A
    $0^\circ C$ to $10^\circ C.$
  • ✓
    $-4^\circ C$ to $8^\circ C.$
  • C
    $-15^\circ C$ to $-8^\circ C.$
  • D
    $-7^\circ C$ to $0^\circ C.$
✓

Answer

Correct option: B.
$-4^\circ C$ to $8^\circ C.$
 
We know that, the maximum rise in the temperature is equal to the maximum value of difference of two temperatures.
$a.\ $Difference of $0^\circ C to 10^\circ C = 10^\circ C - 0^\circ C = +10^\circ C.$
$b.\ $Difference of $-4^\circ C to 8^\circ C = 8^\circ C - (-4^\circ C) = 8^\circ C + 4^\circ C = +12^\circ C$ [maximum]
$c.\ $Difference of $-15^\circ C to -8^\circ C = -8^\circ C - (-15^\circ C) = -8^\circ C + 15^\circ C = +7^\circ C.$
$d.\ $Difference of $-7^\circ C to 0^\circ C = 0^\circ C - (-7^\circ C) = 0^\circ C + 7^\circ C = +7^\circ C$ Hence, the option $(b)$ shows the maximum rise in temperature.
 

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