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Percents and Their Operations

Math ⇒ Number and Operations

Percents and Their Operations starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Percents and Their Operations. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 10
A bank offers 5% simple interest per year. If you deposit $1,000, how much interest will you earn in 3 years?
A laptop is sold for $900 after a 10% discount. What was the original price?
A population increased from 1,200 to 1,500. What is the percent increase?
A product is marked up by 40% on its cost price of $250. What is the selling price?
A bank offers 5% simple interest per year. If you deposit $1,000, how much interest will you earn in 3 years?
A laptop is sold for $900 after a 10% discount. What was the original price?
A population increased from 1,200 to 1,500. What is the percent increase?
A product is marked up by 40% on its cost price of $250. What is the selling price?
Which of the following is equivalent to 0.45 as a percent? (1) 4.5% (2) 45% (3) 0.45% (4) 450%
Which of the following is NOT a correct way to express 25%? (1) 0.25 (2) 1/4 (3) 25/100 (4) 2.5
Which of the following is the correct formula to find the percent change? (1) (New Value - Old Value) / Old Value × 100 (2) (Old Value - New Value) / New Value × 100 (3) (New Value + Old Value) / Old Value × 100 (4) (New Value - Old Value) / New Value × 100
Which of the following is the largest? (1) 60% (2) 0.6 (3) 3/5 (4) 0.59
Fill in the blank: 0.08 as a percent is ________%.
Fill in the blank: 1% of 1,000 is ________.
Fill in the blank: 250% as a decimal is ________.
Fill in the blank: To convert a percent to a decimal, divide by ________.
A store increases the price of a product by 15% and then decreases it by 15%. Is the final price the same as the original price?
If a value is reduced by 10% and then increased by 10%, is the final value the same as the original?
True or False: 0.5% is the same as 0.005 in decimal form.
True or False: 120% of a number is always greater than the number itself.