PERCENTS D1

 

In a box of 500 books, 160 are red in colour, 110 are yellow in colour while the rest are bluish in color. Give out the percentage of blue books.

 

solution

 

1st we have to get the number of blue books.

 

 blue books = 500 – 160 - 110 = 230

 

then,=  230 x 100

            500

 

then,=  230

             5

 

   = 46%

 

Hence percentage of blue books is 46%

 

TRY THIS...............

 

 

In a box of 800 books, 300 are yellow in colour, 260 are red, while the rest are greenish in color. Give out the percentage of green books.