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    The value of 57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ] is:
    Question

    The value of 57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ] is:

    A.

    81

    B.

    79

    C.

    89

    D.

    82

    Correct option is B

    Given: 

    57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ] 

    Concept Used: 

    Operation preference wise

    Symbol

    Brackets

    [], {}, ()

    Orders, of

    x (power), √ (root), of

    Division

    ÷

    Multiplication

    ×

    Addition

    +

    Subtraction

    -

    Solution: 

    57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ]  

    = 57 + [ 5 + { 72 - ( 4 )} ÷ 4 ]  

    = 57 + [ 5 + { 68 } ÷ 4 ]  

    = 57 + [ 5 + 17 ] 

    = 57 + [ 22 ]

    = 79  

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