Daily Practice

Higher

9th April 1960

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 = 4, y = 96. Work out y when x = 7.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 14 cm and 7 cm with an angle of 130° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
2 of 6 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 8, lower quartile 17, median 24, upper quartile 32 and maximum 41. Work out the interquartile range.
5
Surds2 marks
Write sqrt(8) in the form a sqrt(b), where b is as small as possible.

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