A

Admin • 833K Points
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Q. Simplify
b - [b -(a+b) - {b - (b - a+b)} + 2a]

  • (A) a
  • (B) 2a
  • (C) 4a
  • (D) 0
  • Correct Answer - Option(D)
  • Views: 18
  • Filed under category Reasoning
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Explanation by: Admin

b-[b-(a+b)-{b-(b-a+b)}+2a]
=b-[b-a-b-{b-(2b-a)}+2a]
=b-[-a-{b-2b+a}+2a]
=b-[-a-{-b+a}+2a]
=b-[-a+b-a+2a]
=b-[-2a+b+2a]
=b-b
=0

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