Daily Practice

Higher

25th December 1983

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

1
Probability Trees3 marks
1 of 5 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 60. Work out the range.
3
Reverse Percentages3 marks
A bill is £264 including VAT at 20%. Work out the amount before VAT.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 5^x is drawn. Work out y when x = 2, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion3 marks
y is inversely proportional to x. When x = 7, y = 10. Work out y when x = 10.

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