/jp/ - Otaku Culture

Note: You may need to read 130 in various ways in Japanese to solve this puzzle.

If you add emergency (kyuukyuu) to "?", then it'll become an ambulance (kyuukyuusha) with a red light.

Even if you remove "?" from 130, it'll still be a car with a red light, but not an ambulance.

What number goes into "?"...?

A: 5
B: 10
C: 15
D: 20
E: 25