defence exam ITBP (Telecommunication) Head Constable Mock Test 2024 Logical Reasoning Puzzle Logical Puzzle
If we interchange signs '+' and '-', digits '5' and '8' which among the following equations become correct?
1
52 - 35 + 55 = 72
2
82 - 35 + 55 = 102
3
85 - 38 + 85 = 132
4
82 - 35 + 55 = 2