a:b=2:5, b:c= 4:3 ആയാൽ a:b:c എത്രA7:9:7B8:20:15C10:8:15D7:10:9Answer: B. 8:20:15 Read Explanation: a:b:c = 2×4 : 5×4 : 5×3 = 8 : 20 : 15Read more in App