`2/3` of `1 2/5` of `75%` of `540=`

What will come in place of question mark(?) in the following questions? 2/3" of " 12/5" of "75% " of " 540=?

Find 75% of 12

Find: 75% of 1kg

find (1) 9% of ₹ 700 (2) 6.2/3% of 75 metres (3) 7.5% of 80 kg (4) 8% of 5 litres

find (1) 25% of 76 (2) 20% of ₹ 132 (3) 7.5% of 600 m (4) 3.3/1% of 90 km (5) 8.5% of 5 kg (6) 20% of 12 liters

What is 75% of 3000 ?