Percentages - practice for 13 year olds
Number of problems found: 1123
- The salary 4
The salary of a worker is first increased by 5% and then it is decreased by 5% . What is the change in his salary? - Roland 2
Roland sold his watch at 15% loss. If he had sold it for 210 USD more, he would have made a profit of 20%. Find the cost of price of the watch. - The test 3
The provided test marks for a small class of student are as follows Don 70%, Jody 68%, Raz 65% and that of Max is not provided. If the class average is 75%, what is Max test marks? - To percentages
Convert the following ratios to percentages. (a) 3 : 4 (b) 2 : 3 (c) 5/8 (d) 15/16
- Tricky result
Classic adding with percentages: Evaluate 28% of 450 + 45% of 280 - Numerator and denominator
If the numerator of a fraction is increased by 200% and the denominator of the fraction is increased by 150%, the resultant fraction is 9/35. What is the original fraction? - Percentage and fractions
Determine the correct answer by reasoning and calculating mentally. Write 46% as a fraction. ... - Nautical vs statue mile
A nautical mile is the unit of length used in sea and air navigation. A nautical mile is equal to 6,076 feet. What percent of a statue mile (5,280 ft) is a nautical mile? - Kareem
Kareem has completed 68 deliveries so far this week. He needs to make 80 deliveries for the week. What percentage of his deliveries has Kareem completed?
- Customers 4
Out of the 510 customers, 150 bought at least two items. What percent bought at least two items? - Long hairs
There were 30 students in a class. Eighteen had long hair. What percentage of the class had long hair? - Charter flying service
Henry and Wayne operate a charter flying service out of Breckenridge, which has an elevation of 9,600 feet above sea level. Henry has two flights scheduled for the day. He is taking a couple from Breckenridge to Hamilton, which has a 35% elevation drop. A - Petra 6
Petra sold an item for 4000 and made a 40% profit. What was the cost price of the product? - Healthier snacks
In hopes of encouraging healthier snacks at school, Dan brought in a tray of carrot sticks and apple slices to share. The tray had a total of 40 snacks, of which 60% were carrot sticks. How many carrot sticks did Dan bring?
- China's
China's population in 2001 was 1276300000, and in 2005 it was 1307600000. Find the increase in population. - Bag of popcorn
The average cost of a bag of popcorn at the movie theater was $3.50 in 1995 and $4.75 in 2015. Find the percent of change in the price of a bag of popcorn from 1995 to 2015 and classify it as a percent increase or percent decrease. - Cesar
Cesar increased the amount of water he drinks each day from 64 ounces to 72 ounces. By what percentage did Cesar increase the amount of water he drinks each day? - Cheesecakes
In a survey, 50% of people preferred fruit cake, 15% preferred sponge cake, and the remainder preferred cheesecake. What percentage of people liked cheesecake the best? - Children
Of the estimated 2 billion children living in the developing world, approximately 400 million do not have access to safe drinking water. Approximately what percentage of children in developing countries do not have safe water to drink?
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Our percentage calculator will help you quickly calculate various typical tasks with percentages. Percentages practice problems. Maths practice for 13 year olds.