Daily Practice

Higher

12th January 1985

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Probability Trees3 marks
1 of 6 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 minimum 14, lower quartile 18, median 28, upper quartile 37 and maximum 46. Work out the interquartile range.
3
Standard Form2 marks
Work out (2 x 10^5) x (3 x 10^6). Give your answer in standard form.
4
Trigonometric and Exponential Graphs2 marks
The curve y = 6^x is drawn. Work out y when x = 3, and write down where the curve crosses the y-axis.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 36. Work out y when x = 3.

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