Q42. If a:b:c:d = 2:3:4:5 and a + b + c + d = 280, find the value of (a + c) : (b + d).Mathematics — Ratio And Proportion — Question 42 of 75A. 5 : 9B. 6 : 7C. 6 : 8D. 3 : 4Practice more Mathematics MCQs for entrance exam preparation on Examora.io.← Previous Question Next Question →