Quiz About Shortcut Percentage

10 Questions | By Ruso | Last updated: Mar 22, 2022 | Total Attempts: 123

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Percentages are part of our lives, as we use them in our everyday language. To make things even complicated, we also have to stay updated with their fluctuations, which is not always easy. So, if you too are used to percentages more than often, what trick do you use? Take our quiz and confirm how much you know about them.

Questions and Answers

1.

How do you find 75% of something?
- A.
  
  Find twice, then find 10% of that to then add them together.
- B.
  
  Find the root, then find half of that to then add them together.
- C.
  
  Find half, then find half of that to then add them together.
- D.
  
  Find twice, then find half of that to then add them together.
2.

How do you find 5% of something?
- A.
  
  You divide by 10 then you halve it.
- B.
  
  You divide by 5 then you halve it.
- C.
  
  You divide by 20 then you halve it.
- D.
  
  You divide by 10 then you double it.
3.

How do you find 20% of something?
- A.
  
  You divide by 20 then double it.
- B.
  
  You divide by 15 then double it.
- C.
  
  You divide by 5 then double it.
- D.
  
  You divide by 10 then double it.
4.

How do you calculate p% of y?
- A.
  
  (p/5) * y = ( p * y) /100
- B.
  
  (p/50) * y = ( p * y) /50
- C.
  
  (p/50) * y = ( p * y) /100
- D.
  
  (p/100) * y = ( p * y) /100
5.

How do you calculate the percentage change in value?
- A.
  
  {change/ (initial value)}*100
- B.
  
  {change/ (initial value)}*20
- C.
  
  {change/ (initial value)}*50
- D.
  
  {change/ (initial value)}*10
6.

What's a percentage point change?
- A.
  
  It's the difference of 2 percentage figures.
- B.
  
  It's the addition of 2 percentage figures.
- C.
  
  It's the average of 2 percentage figures.
- D.
  
  It's the difference of 4 percentage figures.
7.

How do you calculate the increase N by S %?
- A.
  
  N (1+ S /10)
- B.
  
  N (S /100)
- C.
  
  N (1+ S /100)
- D.
  
  (1+ S /100)
8.

What should happen if A is x% more or less than B?
- A.
  
  Then B is 100*/(10+x) % less or more than A.
- B.
  
  Then B is 10*/(100+x) % less or more than A.
- C.
  
  Then A is 100*/(100+x) % less or more than b.
- D.
  
  Then B is 100*/(100+x) % less or more than A.
9.

What should happen if the price of an item goes up or down by x%?
- A.
  
  Then the quantity consumed should be reduced by 100 x/ (100+x)%
- B.
  
  Then the quantity consumed should be raised by 100 x/ (100+x)%
- C.
  
  Then the quantity consumed should be reduced by 10 x/ (100+x)%
- D.
  
  Then the quantity consumed should be reduced by 100 x/ (10+x)%
10.

Why are percentages used?
- A.
  
  For understanding the stock market.
- B.
  
  For understanding fluctuations.
- C.
  
  For understanding the financial aspects of everyday life.
- D.
  
  For understanding math.