Question

40 mm to 2 cm convert rqtio​

Answer 1

1 cm = 10 mm

therefore, 40 mm = 4 cm

therefore 40 mm / 2 cm = 4 cm/ 2 cm = 2:1

Answer 2

we can change the both number in a particular unit.
2cm is 20mm
in ratio.
40mm to 20mm
2:1