Percentage of boys in the class=100%-36%=64%
Difference in the number of boys and girls=64%-36%=28%
Since 100%=500
28%=500*28/100=140
Percentage of boys in the class=100%-36%=64%
Difference in the number of boys and girls=64%-36%=28%
Since 100%=500
28%=500*28/100=140