Question

21.02.5
यदि a: b=2/9 : 1/3 and b:c is 2/7 : 5/14
और d:c 7/10 : 3/5 हो तो a : b :
c:d होगा।​

Answer 1

Answer:

I think it is a:d(in question)....

refer to the attachment...

....XD......