NCERT Exercise 5.2 - Q20 - Arithmetic Progressions
Question: Ramkali saved ₹ 5 in the first week of a year and then increased her weekly savings by ₹ 1.75. If in the nth week, her weekly savings become ₹ 20.75, find n.
Answer: n = 10
Full step-by-step NCERT solution with diagrams on Something by Zero.