You are given a mathematical expression with basic operations. However, the symbols used are not their usual maening. You must follow these symbol substitution rules:
'+' means '-'
'-' means '+'
'×' means '÷'
'÷' means 'x'
120 ÷ 6 × 5 + 10 - 4 = ?
Show answer & explanation
Correct answer: B
Explanation
The correct answer is option 2 i.e. 138.
Given equation: 120 ÷ 6 × 5 + 10 - 4 = ?
After substitution:
120 × 6 ÷ 5 – 10 + 4
= 120 × (6/5) – 10 + 4
= 144 – 10 + 4 = 138