Match List-I with List-II
| List-I (Agricultural Land use Category) | List-II (Characteristics) |
|---|---|
| (A) Culturable Waste Land | (II) Land which has been left uncultivated for more than five years. |
| (B) Current Fallow | (I) Land which has been left uncultivated for one or less than one agricultural year. |
| (C) Fallow other than Current Fallow | (IV) Land which has been left uncultivated for more than one year but less than five years. |
| (D) Net Sown Area | (III) Physical extent of land on which crops are sown and harvested. |
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?