Daily Practice

Higher Plus

8th March 1959

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

1
Bounds3 marks
x = 147 and y = 10, 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 -8, -10, -10, -8, ...
3
Direct and Inverse Proportion Depth3 marks
y is directly proportional to sqrt(x). When x = 9, y = 18. Work out y when x = 25.
4
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 6 cm and an area of 25.98 cm^2. Work out the acute angle between those two sides, to the nearest degree.
5
Probability Equation Questions3 marks
A bag holds 12 counters, r of them red. Two are taken without replacement and P(both red) = 7/22. Work out r.

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