Daily Practice

Higher

14th December 1963

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^2. When x = 2, y = 8. Work out y when x = 3.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 15 cm and 6 cm with an angle of 113° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
3 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Box Plots2 marks
A box plot has minimum 15, lower quartile 25, median 29, upper quartile 39 and maximum 47. Work out the interquartile range.
5
Standard Form2 marks
Work out (5 x 10^3) x (9 x 10^-5). Give your answer in standard form.

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