ABC26GN0824 · Simplification

Subject: General Aptitude · Chapter: Simplification · Exam: · Marks: · Difficulty:

Simplify: b − [b − (a + b) − {b − (b − a − b)} + 2a].
Answer
Answer (as printed):
Explanation
Given exp. = 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 – b = 0. 98 QUANTITATIVE APTITUDE

Explanation as extracted from the printed page; notation may be imperfect.

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