Calculate the total amount of okra seeds needed for 3.25 hectares if 2.5 kg are needed per hectare. Also, determine the storage needed for 300 photos at 0.005 GB each. Finally, find the cost of 1.65 m

Seeds needed for one hectare $= 2.5 \text{ kg}$
Area of land $= 3.25 \text{ hectares}$

To find the total seeds needed, multiply the seeds per hectare by the total hectares of land.

The total seeds needed for 3.25 hectares of land is $\boxed{\text{8.125 kg}}$.

: Mobile phone storage

Photos taken per day $= 10$
Storage per photo $= 0.005 \text{ gigabytes}$
Number of days in a month $= 30$

Multiply the total photos by the storage per photo.

Kabir will need $\boxed{\text{1.5 gigabytes}}$ of storage in a month.

: Bhadohi carpet cost

Cost per metre of carpet $= \text{₹}420$
Length of carpet $= 1.65 \text{ metres}$

Multiply the cost per metre by the length of the carpet.

The cost of 1.65 metres of carpet is $\boxed{\text{₹693}}$.