Percentages 1 — Problem Solving & Data Analysis

Questions in this quiz (7)

1. What is 25% of 80?

   • $$15$$
   • $$18$$
   • $$20$$
   • $$25$$

2. There are $$240$$ beads in a bag. Of these beads, 15 percent are red. How many beads in the bag are red?

   • $$24$$
   • $$32$$
   • $$34$$
   • $$36$$

3. You completed a survey with $$50$$ questions, and you answered $$35$$ of them correctly. What percentage of the questions did you answer correctly?

   • $$65\%$$
   • $$70\%$$
   • $$75\%$$
   • $$78\%$$

4. The price of a jacket increases from 50 dollars to 65 dollars. What is the percent increase?

   • $$20\%$$
   • $$25\%$$
   • $$30\%$$
   • $$35\%$$

5. A phone originally priced at 400 dollars is now on sale for 300 dollars. What is the percent decrease?

   • $$20\%$$
   • $$22\%$$
   • $$25\%$$
   • $$30\%$$

6. What was the original price, if after a 20% discount a shirt costs $40?

   • $45
   • $48
   • $50
   • $52

7. A population increases by $$10%$$ one year and then decreases by $$10%$$ the next year. What is the overall percent change?

   • 0%
   • 1% decrease
   • 2% decrease
   • 5% decrease