Daily Practice

Higher Plus

13th February 1974

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 sqrt(x). When x = 16, y = 12. Work out y when x = 4.
2
Vectors Proof Questions3 marks
OACB is a parallelogram with vector OA = b and vector OB = p. X is the point dividing AB in the ratio 2 : 1. Write vector OX in terms of b and p.
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
A histogram has four 20-wide classes from 0, with frequency densities 0.5, 1, 2, 3. Which class contains the median?
5
Bounds3 marks
A rectangle is 16 cm by 10 cm, each correct to the nearest cm. Work out the upper bound of its area.

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