Daily Practice

Higher

24th April 1971

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 = 108. Work out y when x = 9.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 11 cm and 8 cm with an angle of 91° between them. Work out its area, to 1 decimal place.
3
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.
4
Box Plots2 marks
A box plot has minimum 10, lower quartile 15, median 20, upper quartile 29 and maximum 38. Work out the interquartile range.
5
The Product Rule for Counting2 marks
A meal deal has 7 mains, 6 sides and 2 drinks. How many different meals are possible?

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