Daily Practice · Higher Plus

Daily Practice - Higher Plus

5th May 1994

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

1
Direct and Inverse Proportion Depth3 marks
y is directly proportional to x^3. When x = 2, y = 48. Work out y when x = 3.
2
The Cosine Rule3 marks
A triangle has sides 19 cm, 16 cm and 16 cm. Work out the angle opposite the 19 cm side, to 1 decimal place.
3
Probability Equation Questions3 marks
A bag holds 2 red and n blue counters. The probability of taking a red is 2/5. Work out n.
4
Histograms3 marks
On a histogram the bar for 50 < x <= 55 has a frequency density of 1.5. How many values are in that class?
5
Surds3 marks
Simplify sqrt(12) + sqrt(27), giving your answer in the form a sqrt(b).

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