Daily Practice

Higher

27th February 1974

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
6 of 8 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 8, 12, 10, 9. Write down the cumulative frequency at the end of the third class.
3
Bounds2 marks
A mass is 10.1 kg, correct to 1 decimal place. Write down the lower bound.
4
Equation of a Line3 marks
A line has gradient -5 and passes through (1, -14). Work out its equation.
5
Speed and Density2 marks
A block has volume 145 cm^3 and density 11 g/cm^3. Work out its mass.

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