Daily Practice
Higher Plus
← All tiers
26th January 1987
- 1Probability Equation Questions3 marks
The probability of winning a game is 1/10. A player expects 4 wins. How many games did they play?
- 2Histograms3 marks
On a histogram the bar for 10 < x <= 15 has a frequency density of 1.5. How many values are in that class?
- 3Bounds3 marks
A block has mass 240 g (to the nearest 10 g) and volume 18 cm^3 (to the nearest cm^3). Work out the upper bound of its density, to 2 decimal places.
- 4Algebraic Fractions3 marks
Simplify (x^2 + 4x - 21)/(x + 7).
- 5Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 192. Work out y when x = 3.
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