Question
The current heights of A, B, and C are in the ratio of
10:12:15. After one year, the height of A increases by 20%, the height of B increases by 33(1/3)%, and the height of C increases by 66(2/3)%. What will be the new ratio of their heights after one year?Solution
Let current heights of βAβ, βBβ and βCβ be β10xβ cm, β12xβ cm and β15xβ cm, respectively After 1 year: Height of βAβ = (6/5) Γ 10x = β12xβ cm Height of βBβ = (4/3) Γ 12x = β16xβ cm And height of βCβ = (5/3) Γ 15x = β25xβ cm So, ratio of new heights of βAβ, βBβ and βCβ = 12x:16x:25x = 12:16:25
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