Daily Practice

Higher

16th October 1965

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 = 5, y = 75. Work out y when x = 6.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 5 cm and 18 cm with an angle of 121° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
4 of 9 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 9, lower quartile 14, median 21, upper quartile 29 and maximum 31. Work out the interquartile range.
5
Reverse Percentages3 marks
A bill is £384 including VAT at 20%. Work out the amount before VAT.

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Any date always gives the same five questions, so a sheet can be set again or shared. All of October 1965, including the monthly compilation PDF.