College of Admission Tests Multan

Absolute Value

Solve the question of and select the option from the choices A through D/E. Check your Answer and view the explanation.

Question: 10

Which of the following options is true?
  • |4 – 9| = 9 – 4
  • |2 – 5| = 3|6 – 5|
  • |4 – 12| = |4| - |12|
  • |-12a| = -12 |-a|

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Correct Answer: B

Option A:
|4 – 9| = -9 – 4
|-5| = -13
5 = -13 False

Option B
|2 – 5| = 3|6 – 5|
|-3| = 3|-1|
3 = 3 × 1
3 =3 True

Option C
|4 – 12| = |4| - |12|
|-8| = 4 - 12
8 = -8 False

Option D
|-12a| = -12 |-a|
12a = -12a False