Daily Practice

Higher Plus

4th July 1952

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
A bag holds 8 red and n blue counters. The probability of taking a red is 8/13. Work out n.
2
Histograms3 marks
On a histogram the bar for 30 < x <= 50 has a frequency density of 1.2. How many values are in that class?
3
Surds3 marks
Rationalise the denominator of 35/sqrt(5), giving your answer in its simplest form.
4
Factorising Harder Quadratics3 marks
Solve 12x^2 + 5x - 2 = 0.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 54. Work out y when x = 2.

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