Which two signs should be interchanged to make the given equation correct?
12+156÷13×6−100=50

Let's check the options one by one using the BODMAS rule.
Given equation:

12+156÷13×6−100=50
Option A: ÷ and ×
The equation becomes:

12+156×13÷6−100
=12+156×
6
13
​
−100
=12+26×13−100
=12+338−100=250

=50
Option B: + and ×
The equation becomes:

12×156÷13+6−100
=12×12+6−100
=144+6−100
=150−100=50
Since LHS=RHS, this interchange makes the equation correct.