Danisha is going to visit two of these places - OCR - GCSE Maths - Question 9 - 2018 - Paper 1
Question 9
Danisha is going to visit two of these places.
London Eye (LE) Buckingham Palace (BP) Tower of London (TL) British Museum (BM)
(a) List all the combinations of ... show full transcript
Worked Solution & Example Answer:Danisha is going to visit two of these places - OCR - GCSE Maths - Question 9 - 2018 - Paper 1
Step 1
List all the combinations of these places that she can visit.
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Answer
To find all the combinations of places that Danisha can visit, we will select pairs of the four locations available. The possible combinations are:
LE, BP
LE, TL
LE, BM
BP, TL
BP, BM
TL, BM
This gives us a total of 6 combinations. The table can be filled as follows:
LE
BP
LE
TL
LE
BM
BP
TL
BP
BM
TL
BM
Step 2
What fraction of the combinations include the London Eye (LE)?
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Answer
Out of the 6 combinations listed, 3 of them include the London Eye (LE):
LE, BP
LE, TL
LE, BM
To find the fraction, we calculate:
extFraction=Total combinationsNumber of combinations including LE=63=21
Thus, the fraction of combinations that include the London Eye is ( \frac{1}{2} ).