Daily Practice

Higher

23rd July 1988

5 questions · 14 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 = 80. Work out y when x = 8.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 23 cm and an angle of 31°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
3 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 2, lower quartile 6, median 9, upper quartile 15 and maximum 21. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £456 including VAT at 20%. Work out the amount before VAT.

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