Question

यदि a: b= 2:3 तथा b:c=4:5 हो तो (a+b):(b+c) = ?
[A] 20:27
[B] 27:20
[C] 3:4
[D] 4:3​

Answer 1

Answer:

the answer is 20:27

Step-by-step explanation:

the above picture attached has the complete explanation of the sum