Daily Practice

Higher

17th October 1989

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

1
Pythagoras2 marks
A right-angled triangle has a hypotenuse of 17 cm and one shorter side of 15 cm. Work out the other shorter side.
2
Venn Diagrams3 marks
In a Venn diagram, 10 are in A only, 8 in B only, 5 in both and 4 in neither. Work out the probability a random one is in both.
3
Capture Recapture3 marks
25 fish are marked and released. Later 96 are caught, of which 8 are marked. Estimate the population.
4
Reverse Percentages3 marks
A bill is £432 including VAT at 20%. Work out the amount before VAT.
5
Expanding Triple Brackets3 marks
Expand and simplify (x + 2)(x - 4)(x - 4).

You are looking at an earlier sheet. Today's sheet is the one that adds a day.

Your run is kept in this browser only, and there is no account.

Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1989, including the monthly compilation PDF.