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Question

Simplify: 38 - [29 - {15 - (8 - 4)}]


A

20

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B

50

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C

80

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D

90

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Solution

The correct option is A

20


38 - [29 - {15 - (8 - 4)}]

= 38 - [29 - {15 - 4}] [Simplifying small brackets i.e., ()]

= 38 - [29 - 11] [Simplifying curly brackets i.e., {}]

= 38 - 18 [Simplifying square brackets i.e., []]

= 20


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