Find out the two signs to be interchanged for making following equation correct
5 + 3 x 8 - 12 / 4 =3
Answer: B
On interchanging - and /, we get the equation as
5 + 3 x 8 / 12 - 4 = 3
or 5 + 3 x (2/3) - 4 = 3
or 3 = 3, which is true.