How to find the value of x²y + xy² : x³ + y³ if x : y = 3 : 4, ?

Course : CA Foundation

Topic : Ratio

 

Learning Objective:

  • How to solve word problem relating to finding values in ratio?

Concepts:

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

  • Both the terms of a ratio can be multiplied or divided by the same non-zero number.

  • Usually a ratio is expressed in lowest terms.

  • The order of the terms in a ratio is important.

  • Ratio exists only between quantities of the same kind. Quantities to be compared must be in same units.

  • To compare two ratios, convert them into equivalent like fractions.

 

Exercise : 1(A)

Question : 19


If x : y = 3 : 4, the value of x²y + xy² : x³ + y³ is …?

  • Option (A) : (13 : 12)

  • Option (B) : (12 : 13)

  • Option (C) : (21 : 31)

  • Option (D) : None of these

Video Solution:


CA Foundation - If x : y = 3 : 4, the value of x²y + xy² : x³ + y³ is …?


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