The value of 79 - 10 × [ 2 + 3 × { 12 - 6 ( 6 - 5 ) × 2} ÷ 20] is:
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 59.
79 - 10 × [ 2 + 3 × { 12 - 6 ( 6 - 5 ) × 2} ÷ 20]
= 79 - 10 × [ 2 + 3 × { 12 - 6 × 1 × 2} ÷ 20]
= 79 - 10 × [ 2 + 3 × { 12 - 12} ÷ 20]
= 79 - 10 × [ 2 + 3 × 0 ÷ 20]
= 79 - 10 × [ 2 + 0]
= 79 - 10 × 2
= 79 - 20
= 59