Daily Practice · Higher

Daily Practice - Higher

14th October 1992

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

1
Probability Trees3 marks
2 of 5 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 10, 12, 10, 4. Write down the cumulative frequency at the end of the third class.
3
Fractional and Negative Indices2 marks
Write 4^-2 as a fraction.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 4^x is drawn. Work out y when x = 2, and write down where the curve crosses the y-axis.
5
Speed and Density2 marks
A block has volume 180 cm^3 and density 3 g/cm^3. Work out its mass.

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