Question

If a :b= 2:7.cd= 2:1, and b: d = 5:4 then find a :c.​

Answer 1

Answer:

a:c=1:7 (Maybe)

Explanation:

check the answer if it is wrong or right.

Answer 2

1. 5:28,,, as given c/d =2/1 take its inverse ratio d/c=1/2 now, compute a/b×b/d=2/7×5/4=10/28 finally a/d×d/c=10/28×1/2=5/28 hence the answer is 5/28 I.e 5;28