In a college, 45% of the students are boys. If 40% of the boys and 20% of the girls went on a picnic, what percentage on the total students went to the picnic?
সমাধান
সঠিক উত্তর: Option C
45% of the students are boys
So, 55% of the students are girls
40% of the boys and 20% of the girls
= 40% of 45% of the students + 20% of 55% of the students