- APatna–Gaya
- BMumbai–Pune
- CChennai–Madurai
- DDelhi–Agra
Step-by-Step Solution
Delhi–Agra 40/200 = 20%; Mumbai–Pune 15/150 = 10%; Patna–Gaya 20/80 = 25%; Chennai–Madurai 60/400 = 15%. Chennai–Madurai has the biggest rupee increase but Patna–Gaya the biggest percent.
Answer: A) Patna–Gaya