Match List-I with List-II
| List-I (Town Name) | List-II (Town Type) |
|---|---|
| (A) Chandigarh | (I) Administrative Town |
| (B) Kandla | (II) Transport Town |
| (C) Jharia | (III) Mining Town |
| (D) Jalandhar | (IV) Garrison Town |
Choose the correct answer from the options given below:

A ladder of fixed length \( h \) is to be placed along the wall such that it is free to move along the height of the wall.
Based upon the above information, answer the following questions:
(iii) (b) If the foot of the ladder, whose length is 5 m, is being pulled towards the wall such that the rate of decrease of distance \( y \) is \( 2 \, \text{m/s} \), then at what rate is the height on the wall \( x \) increasing when the foot of the ladder is 3 m away from the wall?