Which two numbers should be interchanged to make the given equation correct?
35 + (25 × 3 − 45) ÷ 2 + (15 × 4) = 125
(NOTE: Numbers must be interchanged and not the constituent digits e.g. if 2 and 3 are to be interchanged in the equation 43 × 3 + 4 ÷ 2, then interchanged equation is 43 × 2 + 4 ÷ 3)
1
25 and 35
2
15 and 25
3
2 and 15
4
35 and 45