Daily Practice · Higher

Daily Practice - Higher

24th February 1996

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 = 64. Work out y when x = 6.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 14 cm and 18 cm with an angle of 60° between them. Work out its area, 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 10, lower quartile 19, median 21, upper quartile 28 and maximum 34. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £888 including VAT at 20%. Work out the amount before VAT.

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