Daily Practice · Higher

Daily Practice - Higher

13th October 1996

5 questions · 15 marks · Grades 6-7 · 61 question types in this band

1
Standard Form3 marks
Work out (72 x 10^12) / (9 x 10^4). Give your answer in standard form.
2
Factorising Harder Quadratics3 marks
Factorise 15x^2 + 8x - 16.
3
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 4. Work out y when x = 2.
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
3 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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