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Question

The value of 255[2+3{22(53)+5}10]÷4 is

A
5
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B
23.25
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C
23.75
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D
25
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Solution

The correct option is B 23.75
255[2+3{22×2+5}10]÷4
= 255[2+3(24+5)10]÷4
= 255[2+3×310]÷4
= 255[2+910]÷4
= 255(1)÷4=2554
=954=23.75

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