﻿ Percentage test
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# Percentage Test created at: 2019-01-04 by Igor; number of questions: 22.
If you are not ready, you could first read the Learn page and do the test later.

Average score for this test is: 73.7% calculated only from first attempts (6 pcs.), last one was: 2019-04-03.

Q1: What is Percentage in Math?

Good answeres: 1 Q2: Select true statements:

Good answeres: 1 Q3: If 50% of the total number of students in the class are male, can we know the number of total students in class?

Good answeres: 1 Q4: Select answeres where we have 25% female in group:

Good answeres: 3 Q5: 50 apples as a percentage of 1250 apples =

Good answeres: 1 Q6: What is the 50% of 40%?

Good answeres: 1 Q7: In container we have 150 smartphones. 60% of them are BLACK. 20% of BLACK phones have ANDROID system. What is the percentage of BLACK ANDROID in container?

Good answeres: 1 Q8: In container we have 150 phones and 16% of them are red. How many red phones we have in container?

Good answeres: 1 Q9: In box we have 20 yellow apples and this is 40% of total amount. How many apples we have in box?

Good answeres: 1 Q10: 25% =

Good answeres: 1 Q11: An increase of 100% = new amount is..

Good answeres: 2 Q12: An increase of 100% on 20 dollars will result new price of:

Good answeres: 1 Q13: An increase of 800% on 1 dollar. What is the new price?

Good answeres: 1 Q14: A decrease of 60% =

Good answeres: 1 Q15: \$120 price + decrease by 20%. What is new price?

Good answeres: 1 Q16: We had 1000 boxes. If number of boxes is decreased by 100% how many boxes we have?

Good answeres: 1 Q17: The number is increased by 50% then decreased by 50%. What is the new amount?

Good answeres: 1 Q18: The price was increased by 25%. What is the % of decrease to get original price?

Good answeres: 1 Q19: 50% of citizens voted on election. This is 10% of increase compared to previous year. What was the % in previous year?

Good answeres: 1 Q20: 50% of citizens voted on election. This is 10 percentage points of increase compared to previous year. What was the % in previous year?

Good answeres: 1 Q21: If we increase amount by 10% twice, new amount is:

Good answeres: 1 Q22: In Petri dish we have 1 million bacteria. Their growth rate is continuously 20% per week. What is the amount of bacteria after 3 weeks?

Good answeres: 1  Go to: