420
Q:
A) + and - | B) - and / |
C) + and x | D) + and / |
Answer: B) - and /
Explanation:
Explanation:
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.