Daily Practice

Higher

22nd March 1972

5 questions · 13 marks · Grades 6-7 · 61 question types in this band

1
Cumulative Frequency2 marks
Four classes in order have frequencies 4, 12, 3, 12. Write down the cumulative frequency at the end of the third class.
2
The Product Rule for Counting3 marks
A code is 3 letters (A to Z) followed by 3 digits (0 to 9), and repeats are allowed. How many codes are possible?
3
Parallel and Perpendicular Lines3 marks
Work out the equation of the line parallel to y = -4x - 3 that passes through (3, -17).
4
Speed and Density2 marks
A block has volume 50 cm^3 and density 8 g/cm^3. Work out its mass.
5
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has sides 9 cm, 12 cm and 15 cm. Work out the angle opposite the 9 cm side, to 1 decimal place.

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