जॉइन Examsbookउत्तर : 3. "Stairs"
What goes up and down the stairs without moving?5
प्र: What goes up and down the stairs without moving?
- 1Umbrellafalse
- 2Liftfalse
- 3Stairstrue
- 4All the abovefalse
- उत्तर देखें
- Workspace
उत्तर : 3. "Stairs"
व्याख्या :
Answer: C) Stairs Explanation: Those are stairs which goes up and down without moving.