NCERT Figure it Out 4 - Q5 - Number Play

Question: If 48a23b is a multiple of 18, list all possible pairs (a, b).

Answer: (a,b) = (1,0), (8,2), (6,4), (4,6), (2,8).

Full step-by-step NCERT solution with diagrams on Something by Zero.

All Chapter 5 solutions