Question

30,000 students appeared in a contest. Of them 40% were girls and the remaining boys. If 10% boys and 12% girls won the contest with prizes, find the percentage of students who won prizes.

Answer 1

Girls = 40% of 30000 =12000 Boys=18000. 10% boys won prizes = 1800 12% girls won = 12% of 12000=1440 total prizes won = 3240 so the % = 3240*100/30000 So its 10.8%

Answer 2

here is your answer.