Correct option is D
Given:
69 - 4 × [ 4 + 3 × { 20 - 5 ( 7 - 5 ) × 2} ÷ 29]
Concept Used:
| Operation preference wise | Symbol |
| Brackets | [], {}, () |
| Orders, of | x (power), √ (root), of |
| Division | ÷ |
| Multiplication | × |
| Addition | + |
| Subtraction | - |
Solution:
69 - 4 × [ 4 + 3 × { 20 - 5 ( 7 - 5 ) × 2} ÷ 29]
= 69 - 4 × [ 4 + 3 × { 20 - 5 ( 2) × 2} ÷ 29]
= 69 - 4 × [ 4 + 3 × { 20 - 10 × 2} ÷ 29]
= 69 - 4 × [ 4 + 3 × { 20 - 20} ÷ 29]
= 69 - 4 × [ 4 + 3 × 0 ÷ 29]
= 69 - 4 × [ 4 + 0]
= 69 - 4 × [ 4 ]
= 69 - 16
= 53
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