Daily Practice

Higher

30th December 1966

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

1
Probability Trees3 marks
2 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Capture Recapture2 marks
A capture-recapture estimate is made of the moth population of a meadow. State one assumption the method relies on.
3
Reverse Percentages3 marks
A bill is £144 including VAT at 20%. Work out the amount before VAT.
4
Factorising Harder Quadratics3 marks
Factorise 4x^2 - 25x + 6.
5
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 9, y = 27. 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 1966, including the monthly compilation PDF.