Which two numbers should be interchanged to make the given equation correct?
45 ÷ 3 + 12 × 9 – 15 + 2 × 5 = 36
(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
3 and 9
2
5 and 3
3
12 and 5
4
2 and 9