Daily Practice

Higher Plus

26th February 1967

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 = 49, y = 14. Work out y when x = 64.
2
The Cosine Rule3 marks
A triangle has sides 15 cm, 7 cm and 10 cm. Work out the angle opposite the 15 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 6 red and n blue counters. The probability of taking a red is 3/4. Work out n.
4
Histograms3 marks
A histogram has four 20-wide classes from 0, with frequency densities 3, 2, 0.5, 1. Which class contains the median?
5
Bounds3 marks
x = 90 and y = 51, each correct to the nearest whole number. Work out the upper bound of x - y.

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