If two jeans and three shirts cost Tk. 4,000 and three jeans and two shirts cost Tk. 3,500. The how much does a jeans cost?
ক
Tk. 500
খ
Tk. 1,000
গ
Tk. 1,500
ঘ
Tk. 2,000
সঠিক উত্তর: Tk. 500