Correct option is B
Given:
57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ]
Concept Used:
Operation preference wise | Symbol |
Brackets | [], {}, () |
Orders, of | x (power), √ (root), of |
Division | ÷ |
Multiplication | × |
Addition | + |
Subtraction | - |
Solution:
57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ]
= 57 + [ 5 + { 72 - ( 4 )} ÷ 4 ]
= 57 + [ 5 + { 68 } ÷ 4 ]
= 57 + [ 5 + 17 ]
= 57 + [ 22 ]
= 79