Daily Practice

Higher

12th December 1990

5 questions · 11 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
3 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 4, 3, 3, 7. Write down the cumulative frequency at the end of the third class.
3
The Product Rule for Counting2 marks
A meal deal has 9 mains, 4 sides and 3 drinks. How many different meals are possible?
4
Trigonometric and Exponential Graphs2 marks
The curve y = 4^x is drawn. Work out y when x = 1, and write down where the curve crosses the y-axis.
5
Speed and Density2 marks
A block has volume 175 cm^3 and density 2.5 g/cm^3. Work out its mass.

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