Daily Practice

Higher

20th December 1985

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

1
Conditional Probability3 marks
21 students study Spanish and 7 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 newt population of a stream. State one assumption the method relies on.
3
Reverse Percentages3 marks
A bill is £432 including VAT at 20%. Work out the amount before VAT.
4
Inequalities on Graphs3 marks
Does the point (2, 1) satisfy y > x - 6?
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 7, y = 84. Work out y when x = 8.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of December 1985, including the monthly compilation PDF.