Daily Practice
Higher Plus
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11th June 1961
- 1Probability Equation Questions3 marks
The probability of winning a game is 3/4. A player expects 36 wins. How many games did they play?
- 2Histograms3 marks
On a histogram the bar for 20 < x <= 30 has a frequency density of 2.4. How many values are in that class?
- 3Bounds3 marks
x = 54 and y = 43, each correct to the nearest whole number. Work out the upper bound of x - y.
- 4Factorising Harder Quadratics3 marks
Solve 12x^2 + 5x - 25 = 0.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 81. Work out y when x = 4.
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Any date always gives the same five questions, so a sheet can be set again or shared. All of June 1961, including the monthly compilation PDF.