Daily Practice

Higher Plus

16th July 1986

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 = 4, y = 16. Work out y when x = 49.
2
The Cosine Rule3 marks
A triangle has sides 26 cm, 16 cm and 12 cm. Work out the angle opposite the 26 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 3 red and n blue counters. The probability of taking a red is 3/5. Work out n.
4
Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 3, 1, 2, 0.5. Which class contains the median?
5
Bounds3 marks
A rectangle is 25 cm by 17 cm, each correct to the nearest cm. Work out the upper bound of its area.

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