Daily Practice · Higher

Daily Practice - Higher

17th January 1997

5 questions · 14 marks · Grades 6-7 · 61 question types in this band

1
Bounds2 marks
A mass is 26.3 kg, correct to 1 decimal place. Write down the lower bound.
2
Factorising Harder Quadratics3 marks
Factorise 16x^2 - 24x + 9.
3
Direct and Inverse Proportion3 marks
y is directly proportional to x. When x = 8, y = 32. Work out y when x = 12.
4
Spheres and Cones3 marks
A sphere has radius 3 cm. Work out its volume, leaving your answer in terms of pi.
5
Probability Trees3 marks
6 of 9 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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