Daily Practice

Higher

5th August 1981

5 questions · 12 marks · Grades 6-7 · 61 question types in this band

1
Speed and Density2 marks
A block has volume 155 cm^3 and density 3 g/cm^3. Work out its mass.
2
SOHCAHTOA (Trigonometry)3 marks
A right-angled triangle has a hypotenuse of 13 cm and an angle of 69°. Work out the side adjacent to that angle, to 1 decimal place.
3
Probability Trees3 marks
5 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Cumulative Frequency2 marks
Four classes in order have frequencies 10, 7, 9, 3. Write down the cumulative frequency at the end of the third class.
5
Surds2 marks
Write sqrt(18) in the form a sqrt(b), where b is as small as possible.

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