Daily Practice
Higher Plus
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20th November 1953
- 1Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 15 wins. How many games did they play?
- 2Histograms3 marks
On a histogram the bar for 30 < x <= 40 has a frequency density of 2.4. How many values are in that class?
- 3Surds3 marks
Rationalise the denominator of 12/sqrt(3), giving your answer in its simplest form.
- 4Algebraic Fractions3 marks
Write 2/(x + 4) + 6/(x + 1) as a single fraction.
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 108. Work out y when x = 5.
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