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 of the total students went to the picnic?
সমাধান
সঠিক উত্তর: Option C
If total student is 100
Then, boys are 45
and girls are 55
Now,
40% of 45 boys is = 40*45/100
= 18
And,
20% of girls is = 20*55/100
= 11
Thus, Total = 18 + 11 = 29 students went on the picnic
