How to find the ratio compounded of 4 : 9, the duplicate ratio of 3 : 4, the triplicate ...

Course : CA Foundation

Topic : Ratio

 

Learning Objective:

  • Application of compound ratio, duplicate ratio and triplicate 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

  • The triplicate ratio of a : b is a³ : b³

 

Exercise : 1(A)

Question : 10


The ratio compounded of 4 : 9, the duplicate ratio of 3 : 4, the triplicate ratio of 2 : 3 and 9 : 7 is …?

  • Question (A) : 2 : 7

  • Question (B) : 7 : 2

  • Question (C) : 2 : 21

  • Question (D) : None of these

Video Solution:


CA Foundation - The ratio compounded of 4 : 9, the duplicate ratio of 3 : 4, the triplicate ratio of 2 : 3 and 9 : 7 is …?