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Multiple Choice Questions
1. Simplify: $$b-[b-(a+b)-b-(b-a-b)+2b]$$
(A): 2b
(B): 1
(C): 0
(D): 3b
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By: anil on 05 May 2019 02.08 am
Expression : $$b-[b-(a+b)-b-(b-a-b)+2b]$$ = $$b-[(b-a-b)+(-b-b+a+b)+2b]$$ = $$b-[-a-b+a+2b]$$ = $$b-b=0$$ => Ans - (C)
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SSC CHSL 4 March 2018 Evening Shift
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