A cube has numbers 1 to 6 written on its faces. The sum of opposite faces is not constant. If faces showing(1,2,3 ) meet at a corner, which number is opposite 1 if 4 is opposite 2?

Information Given:
Faces meeting at corner: 1, 2, 3
Given: 4 is opposite 2

Logic:
Adjacent faces share a corner; opposite faces never meet

Explanation:
Logic: Opposite faces cannot be adjacent

Step-by-step:
At one corner → 1, 2, 3 are adjacent
So opposites must be from remaining numbers: 4, 5, 6

Given: 2 ↔ 4 (opposite)
Remaining numbers: 5, 6

Since 1 is adjacent to 2 and 3, its opposite must be among remaining non-adjacent faces → 5

Final Answer:
5

Final Correct Option:
C