Correct option is A
Given:
50 - 7 × [ 2 + 5 × { 16 - 2 ( 6 - 5 ) × 8} ÷ 31]
Concept Used:
| Operation preference wise | Symbol |
| Brackets | [], {}, () |
| Orders, of | x (power), √ (root), of |
| Division | ÷ |
| Multiplication | × |
| Addition | + |
| Subtraction | - |
Solution:
50 - 7 × [ 2 + 5 × { 16 - 2 ( 6 - 5 ) × 8} ÷ 31]
= 50 - 7 × [ 2 + 5 × { 16 - 2 (1) × 8} ÷ 31]
= 50 - 7 × [ 2 + 5 × { 16 - 16} ÷ 31]
= 50 - 7 × [ 2 + 5 × {0} ÷ 31]
= 50 - 7 × [ 2 + 5 × 0]
= 50 - 7 × [ 2 + 0]
= 50 - 7 × [2]
= 50 - 14
= 36
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