Daily Practice

Foundation Plus

22nd July 1954

5 questions · 12 marks · Grades 4-6 · 128 question types in this band

1
Best Buy Questions3 marks
A pack of 9 teabags costs £1.80. A pack of 36 costs £5.04. Which pack is better value?
2
Vectors2 marks
a is the column vector (1, 3) and b is (2, -6). Work out a + b as a column vector.
3
Probability Trees3 marks
1 of 6 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 6, lower quartile 16, median 26, upper quartile 33 and maximum 40. Work out the interquartile range.
5
Error Intervals2 marks
A number y is 15 when truncated to the nearest whole number. Write down the error interval for y.

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 July 1954, including the monthly compilation PDF.