NCERT Figure it Out 4 - Q14 - Number Play
Question: Is the product of two consecutive integers always a multiple of 2? Of three consecutive always a multiple of 6? What about four and five consecutive integers?
Answer: Yes for 2 and for 6. Four consecutive -> multiple of 24. Five consecutive -> multiple of 120.
Full step-by-step NCERT solution with diagrams on Something by Zero.