Daily Practice · Higher

Daily Practice - Higher

23rd April 1994

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 = 5, y = 225. Work out y when x = 3.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 18 cm and 18 cm with an angle of 64° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
2 of 9 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 11, lower quartile 20, median 23, upper quartile 28 and maximum 31. Work out the interquartile range.
5
Standard Form2 marks
Work out (8 x 10^8) x (3 x 10^5). Give your answer in standard form.

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