Daily Practice

Foundation Plus

17th April 1986

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

1
Best Buy Questions3 marks
A pack of 10 sponges costs £1.50. A pack of 20 costs £2.80. Which pack is better value?
2
Vectors2 marks
a is the column vector (-1, -2) and b is (8, 5). Work out a + b as a column vector.
3
Probability Trees3 marks
3 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 12, 4, 9, 5. Write down the cumulative frequency at the end of the third class.
5
Error Intervals2 marks
A number y is 70 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 April 1986, including the monthly compilation PDF.