Daily Practice · Higher Plus

Daily Practice - Higher Plus

16th April 1995

5 questions · 14 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 55 and y = 7, each correct to the nearest whole number. Work out the upper bound of x - y.
2
The Nth Term of a Quadratic Sequence2 marks
A quadratic sequence starts 15, 34, 63, 102. Work out the second difference, and the coefficient of n^2.
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 4, y = 36. Work out y when x = 6.
4
The Sine Rule3 marks
In triangle ABC, angle A is 59°, side a is 19 cm and side b is 7 cm. Work out the acute angle B, to 1 decimal place.
5
Conditional Probability3 marks
A bag holds 11 red and 3 blue counters. Two are taken without replacement. Given the first was red, what is the probability the second is blue?

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