Number of Questions:
Marks Available:
Pass Percentage:
Time Allowed:
This exam is running in standalone mode. Your answers and marks will not be saved!

Paused

The Exam has been suspended. Press Resume to continue.

You will be able to resume this session the next time you start this activity.

Click on a question number to see how your answers were marked and, where available, full solutions.

Question Number Score
/
Total / (%)

Performance Summary

Exam Name:
Session ID:
Student's Name: ()
Exam Start:
Exam Stop:
Time Spent:

The exam has finished. You may now close this window.

Answer the following questions on percentages.

a)

Find 80% of 20

Answer:   Expected answer:  (2.d.p)

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

b)

If a mixed bag of 10 sweets contains 8 mints and 2 chocolates. What percentage of the contents is chocolate?

Answer:   Expected answer: %(2.dp)

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

c)

Convert 7087 into a percentage.

Answer: Expected answer: % (2dp)

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

d)

Convert 56% into a fraction. Fraction must be in it's simplest form.

Answer: Expected answer:  / Expected answer:

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

e)

Last year the average mark in an exam was 92. They have now increased by 18 percent. What is the current average mark?

Answer: Expected answer:

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

f)

Write 24 as a decimal?

Answer:   Expected answer: (2 d.p.)

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

Advice

Questions of the form "find 80% of 20". 

In order to answer this you multiply the number, 20, by the percentage over 100, 80100

20×80100=16

Remember: Give you answer to 2 decimal places.

Questions of the form "if a mixed bag of 10 sweets contains 8 mints and 2 chocolates. What percentage of the contents is chocolate"

To calculate the percentage of chocolate sweets in the bag you must divide the number of chocolates by the total number of sweets and then multiply by 100.

$\dfrac{\var{chocolate}}{\var{sweets}}\times 100 = \simplify{100*{chocolate}/{sweets}}.

Remember: Give you answer to 2 decimal places.

Questions of the form "convert 7087 into a percentage"

This question is very similar to part b). We already have the number in fractional form if we covert this into a decimal and multiply by 100% we obtain the percentage

7087=deciamal×100%=80.4597701149%

Remember: Give you answer to 2 decimal places.

Questions of the form "convert 56% into a fraction"

To do this you simply divide by 100.

56%=56100=1425 

Questions of the form "Last year the average mark in an exam was 92. They have now increased by 18 percent. What is the current average mark?"

We start by finding 18 % of 92.

92×18100=16.56

We then add this onto last years average marks to find this years

92+16.56=108.56

\( \begingroup \)

Solve the following ratio questions. 

a)

To make bolognese 150 grams of minced beef feeds 2 people. How much minced beef is required for 14 people?

Minced meat $=$ Expected answer: grams. 

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

b)

The sides of a triangle are in the ratio 2:2:5. If the smallest side has length 4 cm what is  length of the longest side?

Largest side:  Expected answer:  cm

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

c)

Sarah and Dave are to share 390 toy dinosaurs between them in the ratio of 7:3.

Sarah gets Expected answer: dinosaurs.

Dave gets Expected answer: dinosaurs. 

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

d)

Hetty and Georgina win a sum of money, which they agree to share in the ratio 5:10

If Heather receives £6225, how much will Georgina receive? 

Graham receives £ Expected answer:

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

e)

A book shop sell 2925 different fiction books and 1950 different fact books.

What is the ratio fact:fiction?

Answer: Expected answer: : Expected answer:

This feedback is on your last submitted answer. Submit your changed answer to get updated feedback.

Advice

\( \endgroup \)