Daily Practice
Higher
← All tiers
12th February 1989
- 1Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 15. Work out y when x = 5.
- 2Spheres and Cones3 marks
A sphere has radius 15 cm. Work out its volume, leaving your answer in terms of pi.
- 3Probability Trees3 marks
1 of 5 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
- 4Box Plots2 marks
A box plot has a minimum of 6 and a maximum of 18. Work out the range.
- 5The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
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Any date always gives the same five questions, so a sheet can be set again or shared. All of February 1989, including the monthly compilation PDF.