Daily Practice

Higher

24th March 1970

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 2 : 5. Write y in terms of x.
2
Vectors3 marks
a is the column vector (-4, -3) and b is (-4, 3). Work out 3a - 3b as a column vector.
3
Probability Trees3 marks
1 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
35 beetles are marked and released. Later 25 are caught, of which 5 are marked. Estimate the population.
5
The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 6 drinks. How many different meals are possible?

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