Daily Practice

Higher

10th June 1978

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 = 6, y = 252. Work out y when x = 2.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 7 cm and an angle of 50°. Work out the side opposite that angle, to 1 decimal place.
3
Probability Trees3 marks
4 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 8, lower quartile 18, median 20, upper quartile 28 and maximum 31. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £432 including VAT at 20%. Work out the amount before VAT.

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