The value of 50 - 7 × [ 2 + 5 × { 16 - 2 ( 6 - 5 ) × 8} ÷ 31] is:
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3, i.e., 36.
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 + 0]
= 50 - 7 × 2
= 50 - 14
= 36