NCERT Exercise 1.3 - Q2 - Number Systems
Question: Predict decimal expansions of 2/7, 3/7, 4/7, 5/7, 6/7 without long division.
Answer: 2/7=0.285714..., 3/7=0.428571..., 4/7=0.571428..., 5/7=0.714285..., 6/7=0.857142....
Full step-by-step NCERT solution with diagrams on Something by Zero.