Daily Practice

Higher Plus

7th February 1965

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
3d Pythagoras and Trigonometry3 marks
A cuboid measures 9 cm by 6 cm by 5 cm tall. Work out the angle between its longest internal diagonal and the base, to 1 decimal place.
2
Conditional Probability3 marks
A bag holds 9 red and 3 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?
3
Histograms2 marks
On a histogram, a 4-wide bar and a 8-wide bar have the same frequency density of 3. How many more values are in the wider class?
4
Bounds3 marks
x = 195 and y = 74, each correct to the nearest whole number. Work out the upper bound of x - y.
5
Algebraic Fractions3 marks
Write 2/(x + 5) + 7/(x - 1) as a single fraction.

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