Daily Practice

Higher

30th January 1953

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Conditional Probability3 marks
16 students study Spanish and 5 of those also study Art. One Spanish student is picked at random. Work out the probability they study Art.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the snail population of a hedgerow. State one assumption the method relies on.
3
Reverse Percentages3 marks
A bill is £648 including VAT at 20%. Work out the amount before VAT.
4
Solving Quadratics3 marks
Solve x^2 - 8x - 9 = 0.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 90. Work out y when x = 12.

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