Question

if a:b=2:3, b:c=1:2 then what is a:b:c?

Answer 1

a:b:c=2:3:6 Since b:c=3:6

Answer 2

a:b = 2:3
b:c = 1:2
Now equalizing the value of 'b" in both cases we have,
a:b = 2×1 : 3×1
b:c = 1×3 : 2×3

Hence, we get,
a:b = 2:3
b:c =  3:6

Hence, a:b:c = 2:3:6 (Answer)