Daily Practice

Higher

16th July 1952

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

1
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.
2
Cumulative Frequency2 marks
Four classes in order have frequencies 7, 12, 7, 9. Write down the cumulative frequency at the end of the third class.
3
Reverse Percentages3 marks
A bill is £960 including VAT at 20%. Work out the amount before VAT.
4
Factorising Harder Quadratics3 marks
Factorise 2x^2 + 7x + 5.
5
Speed and Density2 marks
A block has volume 170 cm^3 and density 11 g/cm^3. Work out its mass.

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