Daily Practice

Higher Plus

1st April 1988

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 9 cm by 10 cm. Work out the length of the longest diagonal inside it, to 1 decimal place.
2
Probability Equation Questions3 marks
A bag holds 2 red and n blue counters. The probability of taking a red is 1/5. Work out n.
3
Histograms3 marks
A histogram has two bars: one 10 units wide with frequency density 2.5, one 10 units wide with density 3. How many values in total?
4
Surds3 marks
Rationalise the denominator of 15/sqrt(5), giving your answer in its simplest form.
5
Proof2 marks
In an algebraic proof, how would you write an even number in terms of an integer n?

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