Daily Practice · Higher

Daily Practice - Higher

22nd May 1996

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

1
Reverse Percentages3 marks
A bill is £576 including VAT at 20%. Work out the amount before VAT.
2
Factorising Harder Quadratics3 marks
Factorise 6x^2 - 5x - 4.
3
Speed and Density2 marks
A block has volume 160 cm^3 and density 2.5 g/cm^3. Work out its mass.
4
Spheres and Cones3 marks
A sphere has radius 15 cm. Work out its volume, leaving your answer in terms of pi.
5
Probability Trees3 marks
2 of 8 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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