Daily Practice

Higher

29th May 1991

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

1
Probability Trees3 marks
3 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 5, 11, 9, 12. Write down the cumulative frequency at the end of the third class.
3
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 4 digits (0 to 9), and repeats are allowed. How many codes are possible?
4
Simultaneous Equations3 marks
3 teas and 2 cakes cost £10.40. 2 teas and 5 cakes cost £19.40. Find the price of a tea.
5
Speed and Density2 marks
A block has volume 135 cm^3 and density 7.5 g/cm^3. Work out its mass.

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 May 1991, including the monthly compilation PDF.