Daily Practice

Higher Plus

23rd October 1966

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 = 108. Work out y when x = 2.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = c and vector OB = m. M is the point dividing AB in the ratio 1 : 2. Write vector OM in terms of c and m.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/5. A player expects 13 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 20 < x <= 25 has a frequency density of 1.5. How many values are in that class?
5
Bounds3 marks
x = 133 and y = 22, each correct to the nearest whole number. Work out the upper bound of x - y.

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