Daily Practice

Higher

15th January 1964

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

1
Probability 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.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 10, 8, 6, 10. Write down the cumulative frequency at the end of the third class.
3
Bounds2 marks
A mass is 470 kg, correct to the nearest 10. Write down the lower bound.
4
Equation of a Line3 marks
A line has gradient 1 and passes through (3, 11). Work out its equation.
5
Speed and Density2 marks
A block has volume 140 cm^3 and density 2.5 g/cm^3. Work out its mass.

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