Q64. If a:b:c = 2:3:4 and b:c:d = 3:4:5, find a:b:c:d.Mathematics — Ratio And Proportion — Question 64 of 75A. 2:3:4:5B. 3:4:5:6C. 4:6:8:10D. 1:2:3:4Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →