Daily Practice

Higher

9th December 1989

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 4, y = 48. Work out y when x = 3.
2
Vectors3 marks
a is the column vector (1, -3) and b is (-6, -3). Work out 3a - 5b as a column vector.
3
Probability Trees3 marks
1 of 8 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 5, lower quartile 8, median 15, upper quartile 17 and maximum 26. Work out the interquartile range.
5
Bounds2 marks
A mass is 570 kg, correct to the nearest 10. Write down the upper bound.

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 December 1989, including the monthly compilation PDF.