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    ​22−[23−{24−(27−25−30‾)}]=?22 - [23 - \{24 - (27 - \overline{25 -30})\}] = ?22−[23−{24−(27−25−30​)}]=?​​
    Question

    ​22−[23−{24−(27−25−30‾)}]=?22 - [23 - \{24 - (27 - \overline{25 -30})\}] = ?​​

    A.

    -8

    B.

    7

    C.

    -7

    D.

    -9

    Correct option is D

    Given:

    ​22−[23−{24−(27−25−30‾)}]22 - [23 - \{24 - (27 - \overline{25 -30})\}]   

    Concept Used:​

    Operation preference wise

    Symbol

    Brackets

    [], {}, ()

    Orders, of

    x(power), √ (root), of

    Division

    ÷

    Multiplication

    ×

    Addition

    +

    Subtraction

    -

    Solution:​

    ​22−[23−{24−(27−25−30‾)}]22 - [23 - \{24 - (27 - \overline{25 -30})\}] ​​

    =22−[23−{24−(27−25−30‾)}]=22−[23−{24−(27+5)}]=22−[23−{24−32}]=22−[23+8]=22−31=−9= 22 - [23 - \{24 - (27 - \overline{25 -30})\}] \\= 22 - [23 - \{24 - (27+5)\}] \\= 22 -[23 -\{24 - 32\}]\\= 22 - [23 +8]\\= 22 - 31 \\= -9​​

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