a/4 = b/5 = c/7, എങ്കിൽ a+b+c / a =A4B5C7D16Answer: A. 4 Read Explanation: a/4 = b/5 = c/7 ⇒a : b : c = 4 : 5 : 7 a+b+c / a = (4 + 5 + 7)/4 = 16/4 = 4Read more in App