Which two numbers should be interchanged to make the given equation correct?
56 + 18 - 11 × 3 + 4 × (66 ÷ 2) + 22 = 151
((Note: Interchange should be done of entire number and not individual digits of a given number.): Interchange should be done of entire number and not individual digits of a given number.)
1
3 and 2
2
11 and 22
3
18 and 11
4
56 and 66