PercentageOnline version Here you will find some questions that will help you remember a very important concept in mathematics: Percentage. Try to answer all of them in the least possible time. GOOD LUCK! by rosa elena laguna moreno 1 In a set of 50 marbles, 25 marbles are blue. What percentage of the marbles are blue? a 100% b 25% c 50% d 10% 2 What is 30% as a fraction in lowest terms? a 30/100 b 60/100 c 3/5 d 3/10 3 What is one third as a percentage? a 0.3% b 3% c 3.3% d 33.3% 4 Marlene got 20 out of 30 in a math test. Jim got 40%. Who got the better result? a Marlene b Jim c Both got the same. d Not here. 5 75% of the children in a class of 20 students are boys. How many students are girls? a 15 b 5 c 25% d 25 6 What is 88% as a decimal? a 0.08 b 0.88 c 8.8 d Not here. 7 What is 1% of 500? a 0.005 b 0.05 c 0.5 d 5 8 A 150 gram chocolate bar says it contains 20% cocoa. What is the weight of the cocoa in grams? a 30g b 20g c 40g d Not here. 9 In a survey, 60 out of 80 children had a pet dog. What percentage is this? a 75% b 60% c 80% d 90% 10 What is 25% as a fraction in lowest terms? a 1/5 b 1/25 c 25/100 d 1/4 11 What percentage of the image is shaded? a 50% b 80% c 75% d Not here. 12 What is the 25% of 400? a 1/4 b 50 c 250 d 100 13 What is the 15% of 40? a 15 b 20 c 6 d Not here. 14 Patricia got 6 out of 24 in a science test. Ron got 25%. Who got the better result? a Patricia b Ron c Both got the same. d Not here. 15 What percentage of the image is shaded? a 75% b 66% c 80% d Not here.