Daily Practice

Higher

10th April 1966

5 questions · 14 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
Box Plots2 marks
A box plot has a minimum of 18 and a maximum of 28. Work out the range.
3
Reverse Percentages3 marks
A bill is £624 including VAT at 20%. Work out the amount before VAT.
4
Equation of a Line3 marks
A line has gradient 4 and passes through (6, 31). Work out its equation.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 3, y = 20. Work out y when x = 5.

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