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Question

Simplify 40 + [100 - {8 + 36 ÷ (10 - ¯¯¯¯¯¯¯¯¯¯¯¯43 )}]


A

45

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B

67

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C

128

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D

145

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Solution

The correct option is C

128


40 + [100 - {8 + 36 ÷ (10 - ¯¯¯¯¯¯¯¯¯¯¯¯43 )}]

= 40 + [100 - {8 + 36 ÷ (10 - 1 )}] [Simplifying bar bracket]

= 40 + [100 - {8 + 36 ÷ (9)}] [Simplifying ()]

= 40 + [100 - {8 + 4}]

= 40 + [100 - 12] [Simplifying {}]

= 40 + 88 [Simplifying []]

= 128


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