Simplify: 50 - [30 - {15 - (8 - 4)}]

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Solution

The correct option is B
31

50 - [30 - {15 - (8 - 4)}]

= 50 - [30 - {15 - 4}] [Simplifying small brackets i.e ()]

= 50 - [30 - 11] [Simplifying curly brackets i.e {}]

= 50 - 19 [Simplifying square brackets i.e []]

= 31

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