Question

Examine whether the given ratios are equal, i.e., they are in proportion or not : i) 1:2 and 5:12. ii) 3:6 and 4:8

Answer 1

for the first
1 :2=1/2=0.5
and
5:12=5/12=0.415
so,these is not proportional
and
3:6=3/6=1/2 (1/2=0.5)
4:8=4/8=1/2
so, these both are same or proportional