Let the height by which the water ups be = h cm
Volume of the increase in water = 3.142 × 10 × 10 × h cm^{3}
Volume of the cube = 8 × 8 × 8 cm^{3}
Both the above volumes are equal
∴ 3.142 × 10 × 10 × h = 8 × 8 × 8
h = 8 × 8 × 8/3.142 × 10 × 10
= 1.6 cm
The height h = 16 mm