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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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