Exam Style Question
Worked solutions to typical exam type questions that you can reveal gradually
Question id: 133. This question is similar to one that appeared in a GCSE Higher paper in 2015. The use of a calculator is allowed.
On the day after one GCSE paper Twitter and the media were buzzing with comments about a particular question about Hanna's sweets. Here is our version:
Hannah has 6 orange sweets and some yellow sweets.
Overall, she has \(n\) sweets.
The probability of her taking 2 orange sweets is \(\frac13\).
Prove that: \(n^2-n-90=0\)
Hence or otherwise find \(n\).
The worked solutions to these exam-style questions are only available to those who have a Transum Subscription.
Subscribers can drag down the panel to reveal the solution line by line. This is a very helpful strategy for the student who does not know how to do the question but given a clue, a peep at the beginnings of a method, they may be able to make progress themselves.
This could be a great resource for a teacher using a projector or for a parent helping their child work through the solution to this question. The worked solutions also contain screen shots (where needed) of the step by step calculator procedures.
A subscription also opens up the answers to all of the other online exercises, puzzles and lesson starters on Transum Mathematics and provides an ad-free browsing experience.
Drag this panel down to reveal the solution
©1997 - 2019 Transum Mathematics :: For more exam type questions and worked solutions go to Transum.org/Maths/Exam/