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The value of 57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ] is:
Question

The value of 57 + [ 5 + { 72 - ( 24 ÷ 6 )} ÷ 4 ] is:

A.

81

B.

79

C.

89

D.

82

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  

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