How many pebbles are needed at a minimum for the ritual of stoning during Hajj?

How many pebbles are needed at a minimum for the ritual of stoning during Hajj?

حج کے دوران رجم کے لیے کم از کم کتنے کنکریوں کی ضرورت ہے؟
Explanation

The total number of stones thrown at Jammraat across the three days is calculated as follows:

First day: 7 stones

Second day: 21 stones

Third day: 21 stones

Total:

7 + 21 + 21 = 49 stones