Daily Practice · Higher Plus

Daily Practice - Higher Plus

15th September 1996

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 3, y = 135. Work out y when x = 5.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = a and vector OB = q. X is the point dividing AB in the ratio 1 : 3. Write vector OX in terms of a and q.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/2. A player expects 65 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 60 < x <= 80 has a frequency density of 3.5. How many values are in that class?
5
Bounds3 marks
x = 166 and y = 150, each correct to the nearest whole number. Work out the upper bound of x - y.

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