Daily Practice

Higher

26th January 1974

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 = 6, y = 144. Work out y when x = 9.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 17 cm and 13 cm with an angle of 74° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
6 of 8 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 9, lower quartile 15, median 20, upper quartile 22 and maximum 25. Work out the interquartile range.
5
Standard Form2 marks
Work out (5 x 10^7) x (5 x 10^2). Give your answer in standard form.

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