NCERT Exercise 5.1 - Q1(iii) - Arithmetic Progressions
Question: Does the following situation make an arithmetic progression? The cost of digging a well after every metre of digging, when it costs ₹ 150 for the first metre and rises by ₹ 50 for each subsequent metre.
Answer: Yes, it forms an AP.
Full step-by-step NCERT solution with diagrams on Something by Zero.