Daily Practice

Higher

18th October 1983

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

1
Writing a Ratio as a Fraction or Linear Function2 marks
x : y = 3 : 5. Write y in terms of x.
2
Finding the Area of Any Triangle3 marks
A triangle has sides of 10 cm and 4 cm with an angle of 93° between them. Work out its area, to 1 decimal place.
3
Probability Trees3 marks
2 of 7 bulbs in a box are faulty. Two are taken with replacement. Work out the probability at least one is faulty.
4
Capture Recapture3 marks
45 voles are marked and released. Later 99 are caught, of which 9 are marked. Estimate the population.
5
Bounds2 marks
A mass is 150 kg, correct to the nearest 10. Write down the upper bound.

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