A ∶ B = 4 ∶ 5, B ∶ C = 7 ∶ 9 ആണെങ്കിൽ, A ∶ B ∶ C കണ്ടെത്തുകA28 ∶ 35 ∶ 45B25 ∶ 35 ∶ 49C28 ∶ 30 ∶ 49D25 ∶ 30 ∶ 45Answer: A. 28 ∶ 35 ∶ 45 Read Explanation: A ∶ B = (4 ∶ 5) × 7 = 28 ∶ 35 B ∶ C = (7 ∶ 9) × 5 = 35 ∶ 45 അപ്പോൾ അനുപാതം A ∶ B ∶ C ആണ് A ∶ B ∶ C = 28 ∶ 35 ∶ 45 A ∶ B ∶ C = 28 ∶ 35 ∶ 45Read more in App