Question

16. The liquid contained in a bucket can fill four
large bottles or seven small bottles. A full large
bottles is used to fill an empty small bottle.
What fraction of liquid is left over in the large
bottle, when the small one is full?​

Answer 1

et the capacity of the bucket be x litres. Then,

Capacity of 1 large bottle =  

4

x

​  

 

Capacity of 1 small bottle =  

7

x

​  

 

Fluid left in large bottle =  

4

x

​  

−  

7

x

​  

=  

28

3x

​  

 

∴ Required fraction =  

x/4

3x/28

​  

=  

28

3x

​  

×  

x

4

​  

=  

7

3

​