Select the Appropriate Alternative Answer for the Following Question. - Algebra

MCQ

Select the appropriate alternative answer for the following question.
If 6 : 5 = y : 20 then what will be the value of y ?

• 15

• 24

• 18

• 22.5

Solution

6 : 5 = y : 20
therefore 6/5 = y/20
⇒ y = ( 6 xx 20 )/5 = 24
Thus, the value of y is 24.
Hence, the correct answer is option (B).

Concept: Properties of Ratio
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APPEARS IN

Balbharati Mathematics 1 Algebra 9th Standard Maharashtra State Board
Chapter 4 Ratio and Proportion
Problem Set 4 | Q 1.1 | Page 77