Daily Practice

Higher Plus

24th April 1966

5 questions · 15 marks · Grades 8-9 · 51 question types in this band

1
Bounds3 marks
x = 166 and y = 77, each correct to the nearest whole number. Work out the upper bound of x - y.
2
Algebraic Fractions3 marks
Simplify (x^2 + 10x + 16)/(x + 8).
3
Direct and Inverse Proportion Depth3 marks
y is inversely proportional to x^2. When x = 3, y = 16. Work out y when x = 2.
4
The Cosine Rule3 marks
A triangle has sides of 5 cm and 6 cm with an angle of 93° between them. Work out the third side, to 1 decimal place.
5
Conditional Probability3 marks
A bag holds 3 red, 7 blue and 2 green counters. Two are taken without replacement. Given neither is green, what is the probability both are red?

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