How to find the ratio compounded of 4 : 9 and the duplicate ratio of 3 : 4 ?

Course : CA Foundation

Topic : Ratio

 

Learning Objective:

  • Application of compound ratio and duplicate ratio.

Concepts:

  • A ratio is a comparison of the sizes of two or more quantities of the same kind by division.

  • If p and q are two quantities of the same kind, then the fraction p/q is called the ratio of p to q.

  • The quantities p and q are called terms of the ratio.

Properties of Ratio:

  • The ratio compounded of the two ratios a : b and c : d is ac : bd.

  • The duplicate ratio of a : b is a² : b²

 

Exercise : 1(A)

Question : 9


The ratio compounded of 4 : 9 and the duplicate ratio of 3 : 4 is …?

  • Option (A) : 1 : 4

  • Option (B) : 1 : 3

  • Option (C) : 3 : 1

  • Option (D) : None of these

Video Solution:


CA Foundation - The ratio compounded of 4 : 9 and the duplicate ratio of 3 : 4 is …?