From the diagram above, current X is
Attached Figure / Diagram
A
15A
B
8A
C
20A
D
2A
Verified Correct Answer: B.
Step-by-Step Mathematical Solution
Total current in = Total current out
5 A + 3 A = X
X = 8A
Source: WAEC / JAMB / NECO Classroom Archive (Record #78264)