Half cubic meter of gold sheet is extended by hammering

Home » Aptitude » Volume and Surface Area of Solid Figures » Question

Half cubic meter of gold sheet is extended by hammering so as to cover an area of hectare. The thickness of the sheet is ?

1. 0.5 cm
2. 0.05 cm
3. 0.005 cm
4. 0.0005 cm

Correct Option: C

Thickness = Volume / Area
= (1/2)/10000 m
= (1 x 100)/(2 x 10000) cm
= 0.005 cm