Daily Practice

Higher Plus

5th August 1984

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

1
Bounds3 marks
x = 96 and y = 27, each correct to the nearest whole number. Work out the upper bound of x - y.
2
The Nth Term of a Quadratic Sequence3 marks
Work out the nth term of the quadratic sequence 10, 17, 26, 37, ...
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 4, y = 192. Work out y when x = 5.
4
The Cosine Rule3 marks
A triangle has sides 24 cm, 12 cm and 14 cm. Work out the angle opposite the 24 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 4 red and n blue counters. The probability of taking a red is 2/3. Work out n.

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