Correct option is B
Given:
[7 + 30 ÷ 6 - (6 + 6) + 7]
Concept Used:
| Operation preference wise | Symbol |
| Brackets | [], {}, () |
| Orders, of | x (power), √ (root), of |
| Division | ÷ |
| Multiplication | × |
| Addition | + |
| Subtraction | - |
Solution:
[7 + 30 ÷ 6 - (6 + 6) + 7]
= [7 + 30 ÷ 6 - (12) + 7]
= [7 + 5 - (12) + 7]
= 19 - (12)
= 7