Daily Practice

Higher Plus

8th September 1967

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

1
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 30 wins. How many games did they play?
2
Histograms3 marks
On a histogram the bar for 20 < x <= 30 has a frequency density of 1.2. How many values are in that class?
3
Surds3 marks
Rationalise the denominator of 110/sqrt(11), giving your answer in its simplest form.
4
Proof3 marks
Prove that the sum of 3 consecutive integers is always a multiple of 3. State the simplified sum you would use.
5
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 81. Work out y when x = 2.

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