Question

In a class, number of students are 45.If the number of the boys is 4/5 times of girls. Find the number of boys.

Answer 1

Answer:

Ratio of boys : girls = 4 : 5  

No. of boys = 20

Let the number of girls be x,

Then,  

x

20

​

=  

5

4

​

 

∴4x=5×20

⇒x=25

∴ Number of girls = 25

Step-by-step explanation:

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Answer 2

Answer:

no of girls =25

Step-by-step explanation:

Ratio of boys : girls = 4 : 5  

No. of boys = 20

Let the number of girls be x,

Then,  

x

20

​

=  

5

4

​

 

∴4x=5×20

⇒x=25

∴ Number of girls = 25