Daily Practice

Higher Plus

18th April 1979

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 = 2, y = 40. Work out y when x = 3.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = m and vector OB = a. P is the point dividing AB in the ratio 3 : 1. Write vector OP in terms of m and a.
3
Probability Equation Questions3 marks
The probability of winning a game is 1/4. A player expects 28 wins. How many games did they play?
4
Histograms3 marks
On a histogram the bar for 30 < x <= 50 has a frequency density of 2.4. How many values are in that class?
5
Bounds3 marks
A rectangle is 29 cm by 16 cm, each correct to the nearest cm. Work out the upper bound of its area.

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