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 student got 18 questions correct out of 24. What percent did the student get correct?
A student scored 42 out of 56 marks in a test. What percent did the student score?
A value decreases from 500 to 400. What is the percent decrease?
Express 0.007 as a percent.
Express 2.5% as a decimal.
Express 7/20 as a percent.
If 30% of a number is 45, what is 50% of the same number?
If 60% of a number is 90, what is the number?
If 80 is increased by 25%, what is the new value?
If a shirt originally costs $80 and is on sale for 25% off, what is the sale price?
What is 35% of 200?
Which of the following is the largest?
(1) 60%
(2) 0.6
(3) 3/5
(4) 0.59
A company’s revenue increased by 20% in the first year and then by 30% in the second year. What is the total percent increase in revenue over the two years?
A population of bacteria doubles every 6 hours. If the initial population is 500, what percent increase does this represent after 18 hours?
A solution contains 12 grams of salt in 300 grams of water. What percent of the solution is salt?
A store offers a 20% discount on a jacket, and then applies a 5% sales tax to the discounted price. If the original price of the jacket is $150, what is the final price after both operations?
