cricket bat was purchased for & 800 and sold for $1600.Then profit earned is %

100% profit is earned.

Calculation:
Profit = Selling price - Cost price
Profit = $1600 - $800
Profit = $800

Profit % = (Profit / Cost price) x 100
Profit % = ($800 / $800) x 100
Profit % = 1 x 100
Profit % = 100%

Therefore, 100% profit is earned on the cricket bat.