Daily Practice · Higher

Daily Practice - Higher

18th August 1993

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Fractional and Negative Indices2 marks
Write 7^-1 as a fraction.
2
Factorising Harder Quadratics3 marks
Factorise 9x^2 + 15x + 4.
3
Speed and Density2 marks
A block has volume 65 cm^3 and density 11 g/cm^3. Work out its mass.
4
Spheres and Cones3 marks
A sphere has radius 12 cm. Work out its volume, leaving your answer in terms of pi.
5
Probability Trees3 marks
4 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.

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