Daily Practice

Higher Plus

27th October 1974

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

1
Bounds3 marks
x = 106 and y = 35, 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 1, 5, 11, 19, ...
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 49, y = 56. Work out y when x = 9.
4
The Cosine Rule3 marks
A triangle has sides 10 cm, 10 cm and 8 cm. Work out the angle opposite the 10 cm side, to 1 decimal place.
5
Probability Equation Questions3 marks
A bag holds 2 red and n blue counters. The probability of taking a red is 2/9. Work out n.

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