Daily Practice

Higher Plus

15th January 1989

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Probability Equation Questions3 marks
The probability of winning a game is 3/5. A player expects 9 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 60 < x <= 80 has a frequency density of 1.5. How many values are in that class?
3
Bounds3 marks
x = 131 and y = 100, each correct to the nearest whole number. Work out the upper bound of x - y.
4
Proof2 marks
In an algebraic proof, how would you write an odd number in terms of an integer n?
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 108. Work out y when x = 4.

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