Daily Practice · Higher

Daily Practice - Higher

14th August 1993

5 questions · 14 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 = 3, y = 63. Work out y when x = 6.
2
Vectors3 marks
a is the column vector (-2, 3) and b is (-6, 3). Work out 2a - 5b as a column vector.
3
Probability Trees3 marks
7 of 9 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 1, lower quartile 9, median 17, upper quartile 21 and maximum 23. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £384 including VAT at 20%. Work out the amount before VAT.

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 August 1993, including the monthly compilation PDF.